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# AAKASH TEST SERIES PAPER 3 MBBS Notes | EduRev

## MBBS : AAKASH TEST SERIES PAPER 3 MBBS Notes | EduRev

``` Page 1

(1)
PHYSICS
Instructions :
(i) Use ball point pen only to darken the appropriate circle.
(ii) Mark should be dark and should completely fill the circle.
(iii) Dark only one circle for each entry.
(iv) Dark the circle in the space provided only.
(v) Rough work must not be done on the Answer sheet and do not use white-fluid or any other rubbing material on
(vi) Each question carries 4 marks. For every wrong response 1 mark shall be deducted from total score.
1. The dimensional formula of magnetic intensity is
(1) [MLT
–2
A
–1
] (2) [ML
2
T
–3
A
–1
]
(3) [ML
2
T
–2
A
–1
] (4) [L
–1
A]
2. The velocity-time (v–t) graph of a particle moving
along x-axis is as shown. It can be concluded that
t
v
(1) Acceleration of the particle continuously
decreases
(2) Position of the particle continuously increases
(3) Acceleration remains constant
(4) Both (1) & (2)
3. The position co-ordinate of a particle moving along
y-axis as a function of time t (in second) is given as
y = (t – 3)
2
– 6 (metre). The distance covered by
the particle in first four second is
(1) 5 m (2) 10 m
(3) 7 m (4) 9 m
4. For a projectile motion in x-y plane on some planet
the position co-ordinates as a function of time t are
given as x = 4t and y = 4t – 6t
2
,

where x, y are in
metre and time t is in second. Assume x is
horizontal and y  is vertical. The horizontal range of
the projectile is
(1)
3
m
8
(2) 6 m
(3)
8
m
3
(4)
16
m
3
5. For a particle moving on a circle of radius 18 m, the
distance covered s as a function of time t is given
as s = 3t
2
(s is in metre and t is in second). The
acceleration of the particle at t = 2 second is
(1) 6 m/s
2
(2) 8 m/s
2
(3) 10 m/s
2
(4) 14 m/s
2
6. A water pump of 0.5 horse power is required to flow
water through a cylindrical pipe line at 1 m/s. If flow
rate of water is to be doubled then the power of new
water pump required is
(1) 1 HP (2) 2 HP
(3) 4 HP (4) 8 HP
Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456
MM : 720 Mock Test for NEET - 2020 Time : 3 Hrs.
Home Assignment – 3
18/06/2020
Page 2

(1)
PHYSICS
Instructions :
(i) Use ball point pen only to darken the appropriate circle.
(ii) Mark should be dark and should completely fill the circle.
(iii) Dark only one circle for each entry.
(iv) Dark the circle in the space provided only.
(v) Rough work must not be done on the Answer sheet and do not use white-fluid or any other rubbing material on
(vi) Each question carries 4 marks. For every wrong response 1 mark shall be deducted from total score.
1. The dimensional formula of magnetic intensity is
(1) [MLT
–2
A
–1
] (2) [ML
2
T
–3
A
–1
]
(3) [ML
2
T
–2
A
–1
] (4) [L
–1
A]
2. The velocity-time (v–t) graph of a particle moving
along x-axis is as shown. It can be concluded that
t
v
(1) Acceleration of the particle continuously
decreases
(2) Position of the particle continuously increases
(3) Acceleration remains constant
(4) Both (1) & (2)
3. The position co-ordinate of a particle moving along
y-axis as a function of time t (in second) is given as
y = (t – 3)
2
– 6 (metre). The distance covered by
the particle in first four second is
(1) 5 m (2) 10 m
(3) 7 m (4) 9 m
4. For a projectile motion in x-y plane on some planet
the position co-ordinates as a function of time t are
given as x = 4t and y = 4t – 6t
2
,

where x, y are in
metre and time t is in second. Assume x is
horizontal and y  is vertical. The horizontal range of
the projectile is
(1)
3
m
8
(2) 6 m
(3)
8
m
3
(4)
16
m
3
5. For a particle moving on a circle of radius 18 m, the
distance covered s as a function of time t is given
as s = 3t
2
(s is in metre and t is in second). The
acceleration of the particle at t = 2 second is
(1) 6 m/s
2
(2) 8 m/s
2
(3) 10 m/s
2
(4) 14 m/s
2
6. A water pump of 0.5 horse power is required to flow
water through a cylindrical pipe line at 1 m/s. If flow
rate of water is to be doubled then the power of new
water pump required is
(1) 1 HP (2) 2 HP
(3) 4 HP (4) 8 HP
Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456
MM : 720 Mock Test for NEET - 2020 Time : 3 Hrs.
Home Assignment – 3
18/06/2020
(2)
Home Assignment-3 Mock Test for NEET - 2020
7. A slab of mass m
1
= 30 kg is kept over a smooth
horizontal surface above which a block of mass
m
2
= 10 kg has been kept as shown. The
coefficient of friction ? between the block and the
slab is 0.5. A horizontal force F acts on the block.
The value of F for which both the masses will move
together is (g = 10 m/s
2
)
m
1
F
?
m
2
Smooth
(1) 50 N (2)
200
N
3
(3)
100
N
3
(4) All of these
8. A block of mass m = 5 kg is kept on a horizontal rough
platform undergoing rotation. If coefficient of friction
between the block and the platform is 0.4 and the block
is rotating in a circle of radius 4 m then its possible time
period (in second) may be (g = 10 m/s
2
)
(1) ? (2) 3 ?
(3) 4 ? (4) Both (2) & (3)
9. A bomb of 10 kg at rest explodes in two parts. One
part of 4 kg moves with kinetic energy 72 J. Kinetic
energy of the other part just after explosion is
(1) 72 J (2) 48 J
(3) 120 J (4) 108 J
10. A solid sphere of mass 2 kg and radius 2 cm is
rolling down a rough incline of inclination ? = 30º.
The acceleration of its centre down the incline is
(g = 10 m/s
2
)
(1) 5 m/s
2
(2)
25
7
m/s
2
(3) 3 m/s
2
(4) 7 m/s
2
11. You have been given the standard stress-strain
diagram of a steel rod sample of known dimensions.
The physical quantity that can be calculated from the
diagram is
(1) Young’s modulus of elasticity
(2) Breaking stress
(3) Stored energy density in the sample
(4) All of these
12. By the side of a lake the mercury in a barometer
stands at 75 cm. Mercury used in the barometer
has specific gravity of
40
3
. The volume of an air
bubble increases by 50% while travelling from the
bottom to the top of the lake. The depth of the water
lake is approximately.
(1) 5 m (2) 10 m
(3) 70 m (4) 15 m
13. In a large rectangular water tank, water is coming
out of a small hole at the bottom of the tank. It takes
almost 4 min to empty half of the tank. How much
approximate further time will be needed to empty the
tank completely?
(1) 4 min (2) 6 min
(3) 10 min (4) 8 min
14. A small solid ball is projected vertically up from
ground at a large initial speed
3
2
u= gR , where g
is acceleration due to gravity on the surface of the
earth and R is earth’s radius. The maximum altitude
upto which the ball will go is (neglect air friction)
(1)
2
R
(2)
3
R
(3)
2
3
R
(4)
3
4
R
15. The volume flow rate of a viscous liquid through a
horizontal cylindrical capillary is P. If all the linear
dimensions of the capillary is doubled (keeping other
factors same) then the new volume flow rate will be
(1) P (2) 4P
(3) 8P (4) 16P
16. A steel scale (calibrated at 25°C) has been employed
to measure the length of a copper pipe at 25°C.
However the reading has been taken at 45ºC. If
thermal coefficient of linear expansion of steel and
copper are 3 × 10
–5
per ºC and 2 × 10
–5
per ºC
respectively then percentage error in reading taken is
(1) 0.01% (2) 0.02%
(3) 0.04% (4) 0.05%
17. A thermodynamic cyclic process abcd has two
isothermals, one isobaric and one isochoric process
as shown on pressure-volume (P–V) diagram.
ab
c
d
V
P
Page 3

(1)
PHYSICS
Instructions :
(i) Use ball point pen only to darken the appropriate circle.
(ii) Mark should be dark and should completely fill the circle.
(iii) Dark only one circle for each entry.
(iv) Dark the circle in the space provided only.
(v) Rough work must not be done on the Answer sheet and do not use white-fluid or any other rubbing material on
(vi) Each question carries 4 marks. For every wrong response 1 mark shall be deducted from total score.
1. The dimensional formula of magnetic intensity is
(1) [MLT
–2
A
–1
] (2) [ML
2
T
–3
A
–1
]
(3) [ML
2
T
–2
A
–1
] (4) [L
–1
A]
2. The velocity-time (v–t) graph of a particle moving
along x-axis is as shown. It can be concluded that
t
v
(1) Acceleration of the particle continuously
decreases
(2) Position of the particle continuously increases
(3) Acceleration remains constant
(4) Both (1) & (2)
3. The position co-ordinate of a particle moving along
y-axis as a function of time t (in second) is given as
y = (t – 3)
2
– 6 (metre). The distance covered by
the particle in first four second is
(1) 5 m (2) 10 m
(3) 7 m (4) 9 m
4. For a projectile motion in x-y plane on some planet
the position co-ordinates as a function of time t are
given as x = 4t and y = 4t – 6t
2
,

where x, y are in
metre and time t is in second. Assume x is
horizontal and y  is vertical. The horizontal range of
the projectile is
(1)
3
m
8
(2) 6 m
(3)
8
m
3
(4)
16
m
3
5. For a particle moving on a circle of radius 18 m, the
distance covered s as a function of time t is given
as s = 3t
2
(s is in metre and t is in second). The
acceleration of the particle at t = 2 second is
(1) 6 m/s
2
(2) 8 m/s
2
(3) 10 m/s
2
(4) 14 m/s
2
6. A water pump of 0.5 horse power is required to flow
water through a cylindrical pipe line at 1 m/s. If flow
rate of water is to be doubled then the power of new
water pump required is
(1) 1 HP (2) 2 HP
(3) 4 HP (4) 8 HP
Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456
MM : 720 Mock Test for NEET - 2020 Time : 3 Hrs.
Home Assignment – 3
18/06/2020
(2)
Home Assignment-3 Mock Test for NEET - 2020
7. A slab of mass m
1
= 30 kg is kept over a smooth
horizontal surface above which a block of mass
m
2
= 10 kg has been kept as shown. The
coefficient of friction ? between the block and the
slab is 0.5. A horizontal force F acts on the block.
The value of F for which both the masses will move
together is (g = 10 m/s
2
)
m
1
F
?
m
2
Smooth
(1) 50 N (2)
200
N
3
(3)
100
N
3
(4) All of these
8. A block of mass m = 5 kg is kept on a horizontal rough
platform undergoing rotation. If coefficient of friction
between the block and the platform is 0.4 and the block
is rotating in a circle of radius 4 m then its possible time
period (in second) may be (g = 10 m/s
2
)
(1) ? (2) 3 ?
(3) 4 ? (4) Both (2) & (3)
9. A bomb of 10 kg at rest explodes in two parts. One
part of 4 kg moves with kinetic energy 72 J. Kinetic
energy of the other part just after explosion is
(1) 72 J (2) 48 J
(3) 120 J (4) 108 J
10. A solid sphere of mass 2 kg and radius 2 cm is
rolling down a rough incline of inclination ? = 30º.
The acceleration of its centre down the incline is
(g = 10 m/s
2
)
(1) 5 m/s
2
(2)
25
7
m/s
2
(3) 3 m/s
2
(4) 7 m/s
2
11. You have been given the standard stress-strain
diagram of a steel rod sample of known dimensions.
The physical quantity that can be calculated from the
diagram is
(1) Young’s modulus of elasticity
(2) Breaking stress
(3) Stored energy density in the sample
(4) All of these
12. By the side of a lake the mercury in a barometer
stands at 75 cm. Mercury used in the barometer
has specific gravity of
40
3
. The volume of an air
bubble increases by 50% while travelling from the
bottom to the top of the lake. The depth of the water
lake is approximately.
(1) 5 m (2) 10 m
(3) 70 m (4) 15 m
13. In a large rectangular water tank, water is coming
out of a small hole at the bottom of the tank. It takes
almost 4 min to empty half of the tank. How much
approximate further time will be needed to empty the
tank completely?
(1) 4 min (2) 6 min
(3) 10 min (4) 8 min
14. A small solid ball is projected vertically up from
ground at a large initial speed
3
2
u= gR , where g
is acceleration due to gravity on the surface of the
earth and R is earth’s radius. The maximum altitude
upto which the ball will go is (neglect air friction)
(1)
2
R
(2)
3
R
(3)
2
3
R
(4)
3
4
R
15. The volume flow rate of a viscous liquid through a
horizontal cylindrical capillary is P. If all the linear
dimensions of the capillary is doubled (keeping other
factors same) then the new volume flow rate will be
(1) P (2) 4P
(3) 8P (4) 16P
16. A steel scale (calibrated at 25°C) has been employed
to measure the length of a copper pipe at 25°C.
However the reading has been taken at 45ºC. If
thermal coefficient of linear expansion of steel and
copper are 3 × 10
–5
per ºC and 2 × 10
–5
per ºC
respectively then percentage error in reading taken is
(1) 0.01% (2) 0.02%
(3) 0.04% (4) 0.05%
17. A thermodynamic cyclic process abcd has two
isothermals, one isobaric and one isochoric process
as shown on pressure-volume (P–V) diagram.
ab
c
d
V
P
(3)
Mock Test for NEET - 2020 Home Assignment-3
The same cyclic process on a volume-temperature
(V – T) diagram is best represented by
(1) (2)
V
b
a
d c
T
(3) (4)
c
da
b
18. If the source as well as sink temperature of a heat
engine is increased then the efficiency of the ideal
engine
(1) May increase
(2) May decrease
(3) May remain unchanged
(4) Any of these
19. From a uniform circular plate of radius R  and area
A, a small circular portion of area
21
A
is cut out at
a distance
3
4
R
from the centre O as shown. The
centre of mass of leftover disc is at a distance x
from O, where x  is
(1)
3
84
R
O 3
4
R
R
(2)
21
R
(3)
3
80
R
(4)
20
R
20. A vertical spring of constant k is kept fixed on a
horizontal ground. A block of mass 1 kg is kept at
the top of the spring and gently released. The
compression produced in the spring at equilibrium is
2 cm. Had the mass been suddenly released, the
maximum compression in the spring would be
(1) 1 cm (2) 2 cm
(3) 4 cm (4) 8 cm
21. A train moving at 72 kmph is approaching a hill
while blowing horn at 1.24 kHz. The frequency of
sound (reflected by the hill) as heard by the driver of
the train is (take speed of sound in air = 330 m/s)
(1) 1370 Hz (2) 1400 Hz
(3) 1290 Hz (4) 1600 Hz
22. Four organ pipes of equal length have their overtones
as shown. Frequency ratio of sound waves in them is
(a) (b) (c) (d)
(1) 4 : 3 : 2 : 1 (2) 6 : 5 : 4 : 3
(3) 8 : 7 : 6 : 5 (4) 5 : 3 : 2 : 1
23. A particle is undergoing simple harmonic motion on
a straight line of amplitude 1 cm and time period
8 second. Starting from mean position the distance
covered by the particle in first five seconds is
approximately.
(1) 2.1 cm (2) 2.3 cm
(3) 2.5 cm (4) 2.7 cm
24. In which of the following motions the time T will have
approximate value of 84.6 minute?
a. Time period T of a satellite rotating very close to
the surface of the earth.
b. Time period T of rotation of the earth so that a
body kept on equator feels weightlessness.
c. Time period T of oscillation of an infinitely large
simple pendulum.
d. Time period T  of oscillation of a body along a
complete tunnel through a chord of the earth.
(1) a, b, c (2) a, b, c, d
(3) a, b (4) b, c
25. A plastic cylinder of mass M and cross-sectional
area A  is undergoing vertical SHM while floating in
a liquid of density d. The time period of oscillation
can be increased by increasing
(1) M (2) A
(3) d (4) All of these
26. A parallel plate capacitor with dielectric is charged
completely and then the battery is disconnected.
Now the dielectric is pulled out. Due to such pulling
the
(1) Charge stored on the capacitor will decrease
(2) Potential difference between the plates will
decrease
(3) Capacitance will increase
(4) Energy stored in the capacitor will increase
Page 4

(1)
PHYSICS
Instructions :
(i) Use ball point pen only to darken the appropriate circle.
(ii) Mark should be dark and should completely fill the circle.
(iii) Dark only one circle for each entry.
(iv) Dark the circle in the space provided only.
(v) Rough work must not be done on the Answer sheet and do not use white-fluid or any other rubbing material on
(vi) Each question carries 4 marks. For every wrong response 1 mark shall be deducted from total score.
1. The dimensional formula of magnetic intensity is
(1) [MLT
–2
A
–1
] (2) [ML
2
T
–3
A
–1
]
(3) [ML
2
T
–2
A
–1
] (4) [L
–1
A]
2. The velocity-time (v–t) graph of a particle moving
along x-axis is as shown. It can be concluded that
t
v
(1) Acceleration of the particle continuously
decreases
(2) Position of the particle continuously increases
(3) Acceleration remains constant
(4) Both (1) & (2)
3. The position co-ordinate of a particle moving along
y-axis as a function of time t (in second) is given as
y = (t – 3)
2
– 6 (metre). The distance covered by
the particle in first four second is
(1) 5 m (2) 10 m
(3) 7 m (4) 9 m
4. For a projectile motion in x-y plane on some planet
the position co-ordinates as a function of time t are
given as x = 4t and y = 4t – 6t
2
,

where x, y are in
metre and time t is in second. Assume x is
horizontal and y  is vertical. The horizontal range of
the projectile is
(1)
3
m
8
(2) 6 m
(3)
8
m
3
(4)
16
m
3
5. For a particle moving on a circle of radius 18 m, the
distance covered s as a function of time t is given
as s = 3t
2
(s is in metre and t is in second). The
acceleration of the particle at t = 2 second is
(1) 6 m/s
2
(2) 8 m/s
2
(3) 10 m/s
2
(4) 14 m/s
2
6. A water pump of 0.5 horse power is required to flow
water through a cylindrical pipe line at 1 m/s. If flow
rate of water is to be doubled then the power of new
water pump required is
(1) 1 HP (2) 2 HP
(3) 4 HP (4) 8 HP
Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456
MM : 720 Mock Test for NEET - 2020 Time : 3 Hrs.
Home Assignment – 3
18/06/2020
(2)
Home Assignment-3 Mock Test for NEET - 2020
7. A slab of mass m
1
= 30 kg is kept over a smooth
horizontal surface above which a block of mass
m
2
= 10 kg has been kept as shown. The
coefficient of friction ? between the block and the
slab is 0.5. A horizontal force F acts on the block.
The value of F for which both the masses will move
together is (g = 10 m/s
2
)
m
1
F
?
m
2
Smooth
(1) 50 N (2)
200
N
3
(3)
100
N
3
(4) All of these
8. A block of mass m = 5 kg is kept on a horizontal rough
platform undergoing rotation. If coefficient of friction
between the block and the platform is 0.4 and the block
is rotating in a circle of radius 4 m then its possible time
period (in second) may be (g = 10 m/s
2
)
(1) ? (2) 3 ?
(3) 4 ? (4) Both (2) & (3)
9. A bomb of 10 kg at rest explodes in two parts. One
part of 4 kg moves with kinetic energy 72 J. Kinetic
energy of the other part just after explosion is
(1) 72 J (2) 48 J
(3) 120 J (4) 108 J
10. A solid sphere of mass 2 kg and radius 2 cm is
rolling down a rough incline of inclination ? = 30º.
The acceleration of its centre down the incline is
(g = 10 m/s
2
)
(1) 5 m/s
2
(2)
25
7
m/s
2
(3) 3 m/s
2
(4) 7 m/s
2
11. You have been given the standard stress-strain
diagram of a steel rod sample of known dimensions.
The physical quantity that can be calculated from the
diagram is
(1) Young’s modulus of elasticity
(2) Breaking stress
(3) Stored energy density in the sample
(4) All of these
12. By the side of a lake the mercury in a barometer
stands at 75 cm. Mercury used in the barometer
has specific gravity of
40
3
. The volume of an air
bubble increases by 50% while travelling from the
bottom to the top of the lake. The depth of the water
lake is approximately.
(1) 5 m (2) 10 m
(3) 70 m (4) 15 m
13. In a large rectangular water tank, water is coming
out of a small hole at the bottom of the tank. It takes
almost 4 min to empty half of the tank. How much
approximate further time will be needed to empty the
tank completely?
(1) 4 min (2) 6 min
(3) 10 min (4) 8 min
14. A small solid ball is projected vertically up from
ground at a large initial speed
3
2
u= gR , where g
is acceleration due to gravity on the surface of the
earth and R is earth’s radius. The maximum altitude
upto which the ball will go is (neglect air friction)
(1)
2
R
(2)
3
R
(3)
2
3
R
(4)
3
4
R
15. The volume flow rate of a viscous liquid through a
horizontal cylindrical capillary is P. If all the linear
dimensions of the capillary is doubled (keeping other
factors same) then the new volume flow rate will be
(1) P (2) 4P
(3) 8P (4) 16P
16. A steel scale (calibrated at 25°C) has been employed
to measure the length of a copper pipe at 25°C.
However the reading has been taken at 45ºC. If
thermal coefficient of linear expansion of steel and
copper are 3 × 10
–5
per ºC and 2 × 10
–5
per ºC
respectively then percentage error in reading taken is
(1) 0.01% (2) 0.02%
(3) 0.04% (4) 0.05%
17. A thermodynamic cyclic process abcd has two
isothermals, one isobaric and one isochoric process
as shown on pressure-volume (P–V) diagram.
ab
c
d
V
P
(3)
Mock Test for NEET - 2020 Home Assignment-3
The same cyclic process on a volume-temperature
(V – T) diagram is best represented by
(1) (2)
V
b
a
d c
T
(3) (4)
c
da
b
18. If the source as well as sink temperature of a heat
engine is increased then the efficiency of the ideal
engine
(1) May increase
(2) May decrease
(3) May remain unchanged
(4) Any of these
19. From a uniform circular plate of radius R  and area
A, a small circular portion of area
21
A
is cut out at
a distance
3
4
R
from the centre O as shown. The
centre of mass of leftover disc is at a distance x
from O, where x  is
(1)
3
84
R
O 3
4
R
R
(2)
21
R
(3)
3
80
R
(4)
20
R
20. A vertical spring of constant k is kept fixed on a
horizontal ground. A block of mass 1 kg is kept at
the top of the spring and gently released. The
compression produced in the spring at equilibrium is
2 cm. Had the mass been suddenly released, the
maximum compression in the spring would be
(1) 1 cm (2) 2 cm
(3) 4 cm (4) 8 cm
21. A train moving at 72 kmph is approaching a hill
while blowing horn at 1.24 kHz. The frequency of
sound (reflected by the hill) as heard by the driver of
the train is (take speed of sound in air = 330 m/s)
(1) 1370 Hz (2) 1400 Hz
(3) 1290 Hz (4) 1600 Hz
22. Four organ pipes of equal length have their overtones
as shown. Frequency ratio of sound waves in them is
(a) (b) (c) (d)
(1) 4 : 3 : 2 : 1 (2) 6 : 5 : 4 : 3
(3) 8 : 7 : 6 : 5 (4) 5 : 3 : 2 : 1
23. A particle is undergoing simple harmonic motion on
a straight line of amplitude 1 cm and time period
8 second. Starting from mean position the distance
covered by the particle in first five seconds is
approximately.
(1) 2.1 cm (2) 2.3 cm
(3) 2.5 cm (4) 2.7 cm
24. In which of the following motions the time T will have
approximate value of 84.6 minute?
a. Time period T of a satellite rotating very close to
the surface of the earth.
b. Time period T of rotation of the earth so that a
body kept on equator feels weightlessness.
c. Time period T of oscillation of an infinitely large
simple pendulum.
d. Time period T  of oscillation of a body along a
complete tunnel through a chord of the earth.
(1) a, b, c (2) a, b, c, d
(3) a, b (4) b, c
25. A plastic cylinder of mass M and cross-sectional
area A  is undergoing vertical SHM while floating in
a liquid of density d. The time period of oscillation
can be increased by increasing
(1) M (2) A
(3) d (4) All of these
26. A parallel plate capacitor with dielectric is charged
completely and then the battery is disconnected.
Now the dielectric is pulled out. Due to such pulling
the
(1) Charge stored on the capacitor will decrease
(2) Potential difference between the plates will
decrease
(3) Capacitance will increase
(4) Energy stored in the capacitor will increase
(4)
Home Assignment-3 Mock Test for NEET - 2020
27. The electric potential V as a function of position
(x, y, z) in a space is given by V = xy
2
z
3
(volt). The
electric field (in N/C) at point P(1, 2, –1) m will be
given as
(1)
ˆˆ ˆ
48 12 ij k ?? (2)
ˆˆ ˆ
44 8 ij k ??
(3)
ˆˆ ˆ
4412 ij k ?? (4)
ˆˆ ˆ
44 12 ij k ??
28. A portion of electrical network is as shown in figure.
The energy stored in the capacitor is
2 A
1 ? 2 ?
1 ?
1 ?
2 ?
1 A
5 ?
7 ?
1 A
2 F ?
(1) 12 ?J (2) 288 ?J
(3) 144 ?J (4) 72 ?J
29. In the electrical circuit shown, the bulb B
1
of
resistance 200 ? glows at 40 W. The bulb B
2
of
resistance 300 ??will glow at
R = 400 ?
B
1
B
2
ii
(1) 40 W (2) 80 W
(3) 160 W (4) 240 W
30. In the standard notations the Bohr’s Magneton is
expressed as
(1)
eh
m ?
(2)
2
eh
m ?
(3)
4
eh
m ?
(4)
4eh
m ?
31. A regular hexagonal loop of side a is formed by a
uniform wire. A current flows into it as shown. The
magnetic field at the centre C of the hexagon is
(1)
0
16
i
a
?
?
a
C
i
i
(2)
0
24
i
a
?
?
(3)
0
3
8
i
a
?
?
(4) Zero
32. The magnetic dip angle at magnetic equator of the
earth is
(1) 0º (2) 30º
(3) 45º (4) 90º
33. A metallic slider of length L is moving on wire frame
with resistance R  (kept in uniform magnetic field B)
at a speed v as shown. Force F  applied by external
agent in pulling this slider is
B
F R
(1)
BLv
R
(2)
2
BLv
R
(3)
22
BLv
R
(4)
22 2
BLv
R
34. In the circuit shown the power consumed by the
bulb B
1
long time after the key K is closed is
(inductor is ideal)
B
2
= 5 ?
B
1
= 5 ?
10 volt
K
L

= 5 mH
(1) 5 W
(2) 10 W
(3) 20 W
(4) 40 W
35. Across a capacitor C = 10 ?F the voltage is
changing at a rate of 200 volt/second. The
displacement current in the capacitor is
(1) 20 mA
(2) 2 mA
(3) 2 A
(4) 20 A
Page 5

(1)
PHYSICS
Instructions :
(i) Use ball point pen only to darken the appropriate circle.
(ii) Mark should be dark and should completely fill the circle.
(iii) Dark only one circle for each entry.
(iv) Dark the circle in the space provided only.
(v) Rough work must not be done on the Answer sheet and do not use white-fluid or any other rubbing material on
(vi) Each question carries 4 marks. For every wrong response 1 mark shall be deducted from total score.
1. The dimensional formula of magnetic intensity is
(1) [MLT
–2
A
–1
] (2) [ML
2
T
–3
A
–1
]
(3) [ML
2
T
–2
A
–1
] (4) [L
–1
A]
2. The velocity-time (v–t) graph of a particle moving
along x-axis is as shown. It can be concluded that
t
v
(1) Acceleration of the particle continuously
decreases
(2) Position of the particle continuously increases
(3) Acceleration remains constant
(4) Both (1) & (2)
3. The position co-ordinate of a particle moving along
y-axis as a function of time t (in second) is given as
y = (t – 3)
2
– 6 (metre). The distance covered by
the particle in first four second is
(1) 5 m (2) 10 m
(3) 7 m (4) 9 m
4. For a projectile motion in x-y plane on some planet
the position co-ordinates as a function of time t are
given as x = 4t and y = 4t – 6t
2
,

where x, y are in
metre and time t is in second. Assume x is
horizontal and y  is vertical. The horizontal range of
the projectile is
(1)
3
m
8
(2) 6 m
(3)
8
m
3
(4)
16
m
3
5. For a particle moving on a circle of radius 18 m, the
distance covered s as a function of time t is given
as s = 3t
2
(s is in metre and t is in second). The
acceleration of the particle at t = 2 second is
(1) 6 m/s
2
(2) 8 m/s
2
(3) 10 m/s
2
(4) 14 m/s
2
6. A water pump of 0.5 horse power is required to flow
water through a cylindrical pipe line at 1 m/s. If flow
rate of water is to be doubled then the power of new
water pump required is
(1) 1 HP (2) 2 HP
(3) 4 HP (4) 8 HP
Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456
MM : 720 Mock Test for NEET - 2020 Time : 3 Hrs.
Home Assignment – 3
18/06/2020
(2)
Home Assignment-3 Mock Test for NEET - 2020
7. A slab of mass m
1
= 30 kg is kept over a smooth
horizontal surface above which a block of mass
m
2
= 10 kg has been kept as shown. The
coefficient of friction ? between the block and the
slab is 0.5. A horizontal force F acts on the block.
The value of F for which both the masses will move
together is (g = 10 m/s
2
)
m
1
F
?
m
2
Smooth
(1) 50 N (2)
200
N
3
(3)
100
N
3
(4) All of these
8. A block of mass m = 5 kg is kept on a horizontal rough
platform undergoing rotation. If coefficient of friction
between the block and the platform is 0.4 and the block
is rotating in a circle of radius 4 m then its possible time
period (in second) may be (g = 10 m/s
2
)
(1) ? (2) 3 ?
(3) 4 ? (4) Both (2) & (3)
9. A bomb of 10 kg at rest explodes in two parts. One
part of 4 kg moves with kinetic energy 72 J. Kinetic
energy of the other part just after explosion is
(1) 72 J (2) 48 J
(3) 120 J (4) 108 J
10. A solid sphere of mass 2 kg and radius 2 cm is
rolling down a rough incline of inclination ? = 30º.
The acceleration of its centre down the incline is
(g = 10 m/s
2
)
(1) 5 m/s
2
(2)
25
7
m/s
2
(3) 3 m/s
2
(4) 7 m/s
2
11. You have been given the standard stress-strain
diagram of a steel rod sample of known dimensions.
The physical quantity that can be calculated from the
diagram is
(1) Young’s modulus of elasticity
(2) Breaking stress
(3) Stored energy density in the sample
(4) All of these
12. By the side of a lake the mercury in a barometer
stands at 75 cm. Mercury used in the barometer
has specific gravity of
40
3
. The volume of an air
bubble increases by 50% while travelling from the
bottom to the top of the lake. The depth of the water
lake is approximately.
(1) 5 m (2) 10 m
(3) 70 m (4) 15 m
13. In a large rectangular water tank, water is coming
out of a small hole at the bottom of the tank. It takes
almost 4 min to empty half of the tank. How much
approximate further time will be needed to empty the
tank completely?
(1) 4 min (2) 6 min
(3) 10 min (4) 8 min
14. A small solid ball is projected vertically up from
ground at a large initial speed
3
2
u= gR , where g
is acceleration due to gravity on the surface of the
earth and R is earth’s radius. The maximum altitude
upto which the ball will go is (neglect air friction)
(1)
2
R
(2)
3
R
(3)
2
3
R
(4)
3
4
R
15. The volume flow rate of a viscous liquid through a
horizontal cylindrical capillary is P. If all the linear
dimensions of the capillary is doubled (keeping other
factors same) then the new volume flow rate will be
(1) P (2) 4P
(3) 8P (4) 16P
16. A steel scale (calibrated at 25°C) has been employed
to measure the length of a copper pipe at 25°C.
However the reading has been taken at 45ºC. If
thermal coefficient of linear expansion of steel and
copper are 3 × 10
–5
per ºC and 2 × 10
–5
per ºC
respectively then percentage error in reading taken is
(1) 0.01% (2) 0.02%
(3) 0.04% (4) 0.05%
17. A thermodynamic cyclic process abcd has two
isothermals, one isobaric and one isochoric process
as shown on pressure-volume (P–V) diagram.
ab
c
d
V
P
(3)
Mock Test for NEET - 2020 Home Assignment-3
The same cyclic process on a volume-temperature
(V – T) diagram is best represented by
(1) (2)
V
b
a
d c
T
(3) (4)
c
da
b
18. If the source as well as sink temperature of a heat
engine is increased then the efficiency of the ideal
engine
(1) May increase
(2) May decrease
(3) May remain unchanged
(4) Any of these
19. From a uniform circular plate of radius R  and area
A, a small circular portion of area
21
A
is cut out at
a distance
3
4
R
from the centre O as shown. The
centre of mass of leftover disc is at a distance x
from O, where x  is
(1)
3
84
R
O 3
4
R
R
(2)
21
R
(3)
3
80
R
(4)
20
R
20. A vertical spring of constant k is kept fixed on a
horizontal ground. A block of mass 1 kg is kept at
the top of the spring and gently released. The
compression produced in the spring at equilibrium is
2 cm. Had the mass been suddenly released, the
maximum compression in the spring would be
(1) 1 cm (2) 2 cm
(3) 4 cm (4) 8 cm
21. A train moving at 72 kmph is approaching a hill
while blowing horn at 1.24 kHz. The frequency of
sound (reflected by the hill) as heard by the driver of
the train is (take speed of sound in air = 330 m/s)
(1) 1370 Hz (2) 1400 Hz
(3) 1290 Hz (4) 1600 Hz
22. Four organ pipes of equal length have their overtones
as shown. Frequency ratio of sound waves in them is
(a) (b) (c) (d)
(1) 4 : 3 : 2 : 1 (2) 6 : 5 : 4 : 3
(3) 8 : 7 : 6 : 5 (4) 5 : 3 : 2 : 1
23. A particle is undergoing simple harmonic motion on
a straight line of amplitude 1 cm and time period
8 second. Starting from mean position the distance
covered by the particle in first five seconds is
approximately.
(1) 2.1 cm (2) 2.3 cm
(3) 2.5 cm (4) 2.7 cm
24. In which of the following motions the time T will have
approximate value of 84.6 minute?
a. Time period T of a satellite rotating very close to
the surface of the earth.
b. Time period T of rotation of the earth so that a
body kept on equator feels weightlessness.
c. Time period T of oscillation of an infinitely large
simple pendulum.
d. Time period T  of oscillation of a body along a
complete tunnel through a chord of the earth.
(1) a, b, c (2) a, b, c, d
(3) a, b (4) b, c
25. A plastic cylinder of mass M and cross-sectional
area A  is undergoing vertical SHM while floating in
a liquid of density d. The time period of oscillation
can be increased by increasing
(1) M (2) A
(3) d (4) All of these
26. A parallel plate capacitor with dielectric is charged
completely and then the battery is disconnected.
Now the dielectric is pulled out. Due to such pulling
the
(1) Charge stored on the capacitor will decrease
(2) Potential difference between the plates will
decrease
(3) Capacitance will increase
(4) Energy stored in the capacitor will increase
(4)
Home Assignment-3 Mock Test for NEET - 2020
27. The electric potential V as a function of position
(x, y, z) in a space is given by V = xy
2
z
3
(volt). The
electric field (in N/C) at point P(1, 2, –1) m will be
given as
(1)
ˆˆ ˆ
48 12 ij k ?? (2)
ˆˆ ˆ
44 8 ij k ??
(3)
ˆˆ ˆ
4412 ij k ?? (4)
ˆˆ ˆ
44 12 ij k ??
28. A portion of electrical network is as shown in figure.
The energy stored in the capacitor is
2 A
1 ? 2 ?
1 ?
1 ?
2 ?
1 A
5 ?
7 ?
1 A
2 F ?
(1) 12 ?J (2) 288 ?J
(3) 144 ?J (4) 72 ?J
29. In the electrical circuit shown, the bulb B
1
of
resistance 200 ? glows at 40 W. The bulb B
2
of
resistance 300 ??will glow at
R = 400 ?
B
1
B
2
ii
(1) 40 W (2) 80 W
(3) 160 W (4) 240 W
30. In the standard notations the Bohr’s Magneton is
expressed as
(1)
eh
m ?
(2)
2
eh
m ?
(3)
4
eh
m ?
(4)
4eh
m ?
31. A regular hexagonal loop of side a is formed by a
uniform wire. A current flows into it as shown. The
magnetic field at the centre C of the hexagon is
(1)
0
16
i
a
?
?
a
C
i
i
(2)
0
24
i
a
?
?
(3)
0
3
8
i
a
?
?
(4) Zero
32. The magnetic dip angle at magnetic equator of the
earth is
(1) 0º (2) 30º
(3) 45º (4) 90º
33. A metallic slider of length L is moving on wire frame
with resistance R  (kept in uniform magnetic field B)
at a speed v as shown. Force F  applied by external
agent in pulling this slider is
B
F R
(1)
BLv
R
(2)
2
BLv
R
(3)
22
BLv
R
(4)
22 2
BLv
R
34. In the circuit shown the power consumed by the
bulb B
1
long time after the key K is closed is
(inductor is ideal)
B
2
= 5 ?
B
1
= 5 ?
10 volt
K
L

= 5 mH
(1) 5 W
(2) 10 W
(3) 20 W
(4) 40 W
35. Across a capacitor C = 10 ?F the voltage is
changing at a rate of 200 volt/second. The
displacement current in the capacitor is
(1) 20 mA
(2) 2 mA
(3) 2 A
(4) 20 A
(5)
Mock Test for NEET - 2020 Home Assignment-3
36. In the situation shown the distance between the
object O and its image is 24 cm. The object is 6 cm
above water level and the beaker containing water
upto 8 cm is kept on a plane mirror. Refractive index
of the water is
6 cm
O
Water
8 cm
Mirror
(1)
3
2
(2)
4
3
(3)
5
4
(4)
7
6
37. A parallel beam of light enters a convex lens of focal
length 50 cm. A concave lens of focal length 20 cm
is kept coaxially at a distance D behind the convex
lens such that rays coming out of concave lens are
parallel again. Here the D  is equal to
(1) 20 cm (2) 30 cm
(3) 40 cm (4) 80 cm
38. In a demonstration of dispersion without deviation
phenomenon of thin prism combination, a prism X  is
chosen with refracting angle 5º and refractive index
1.40. It is combined with another prism Y  of material
refractive index 1.50. The refracting angle of prism Y
is
(1) 3º (2) 4º
(3) 6.25º (4) 6º
39. Polarization of wave is a manifestation of its
transverse nature. In an experiment light wave is
polarized by reflection as per Brewster’s law. The
angle between reflected and refracted light is
(1) 0º (2) 30º
(3) 45º (4) 90º
40. Originally the Young’s double slit experiment was
performed in white light in which higher order spectra
in the fringe pattern overlap each other. Assume that
wavelength of blue light is 520 nm and that of red
light is 780 nm. The value of x for which x
th
bright red
band coincides with (x + 1)th blue band is
(1) 5 (2) 4
(3) 3 (4) 2
41. An atom of mass M gets deexcited and the
wavelength of photon emitted is ?. Linear momentum
of the recoiling atom is
(1)
2
( / )
2
h
M
?
(2)
hc
?
(3)
h
?
(4)
2
()
2
h
M
?
42. Assuming Bohr’s model of hydrogen atom, the
wavelength of ?-line of Balmer series is ?. The
wavelength of ?-line of Lyman series is
(1)
6
33
?
(2)
5
32
?
(3)
7
13
?
(4)
5
36
?
43. Radioactive decay is an exponential decay process.
Assume that the half life of a radioactive decay is
2 years. The time interval between 20% decay to
80% decay of such nuclei will be
(1) 2 years (2) 4 years
(3) 6 years (4) 8 years
44. Which of the following current-voltage (I - V) graph is
characteristics of solar cell?
(1)
I
V
(2)
I
V
(3)
I
V
(4)
I
V
45. The truth table for the circuit shown will be
x
y
(1)
x
0
0
1
1
z
0
0
0
1
(2)
x
0
0
1
1
z
0
1
1
1
(3)
x
0
0
1
1
z
0
1
1
0
(4)
x
0
0
1
1
z
1
0
0
1
```
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