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SRMJEEE Physics Mock Test - 1 - JEE MCQ


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30 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests 2024 - SRMJEEE Physics Mock Test - 1

SRMJEEE Physics Mock Test - 1 for JEE 2024 is part of SRMJEEE Subject Wise & Full Length Mock Tests 2024 preparation. The SRMJEEE Physics Mock Test - 1 questions and answers have been prepared according to the JEE exam syllabus.The SRMJEEE Physics Mock Test - 1 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SRMJEEE Physics Mock Test - 1 below.
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SRMJEEE Physics Mock Test - 1 - Question 1

Equivalent energy of mass equal to 1 a.m.u. is

SRMJEEE Physics Mock Test - 1 - Question 2

The power factor of LCR circuit at resonance is

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 2
At resonance R=Z
Power factor = R/Z
Therefore power factor = 1
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SRMJEEE Physics Mock Test - 1 - Question 3

If the radii of circular paths of two particles of same masses are in the ratio of 1:2, then to have a constant centripetal force their velocities should be in the ratio of

SRMJEEE Physics Mock Test - 1 - Question 4

Resistances n each of r ohm, when connected in parallel combination, give an equivalent resistance of R. If these resistances are connected in series, then the new combination would have a resistance equal to

SRMJEEE Physics Mock Test - 1 - Question 5

Which of the following is a correct statement?

SRMJEEE Physics Mock Test - 1 - Question 6

A bullet of mass m is fired into a block of wood of mass M which hangs on the end of a pendulum and gets embedded in it. When the bullet strikes the wooden block, the pendulum starts to swing with a maximum rise R. The velocity of the bullet is given by

SRMJEEE Physics Mock Test - 1 - Question 7

The ratio of the lengths of two wires A and B of same material is 1:2 and the ratio of their diameter is 2:1. They are stretched by the same force, then the ratio of increase in length will be

SRMJEEE Physics Mock Test - 1 - Question 8

A wheel having metal spokes of 1m long between its axle and rim is rotating in a magnetic field of flux density 5 x 10−5 T normal to the plane of the wheel. An e.m.f of 22/7 m V is produced between the rim and the axle of the wheel. The rate of rotation of the wheel in radians per second is

SRMJEEE Physics Mock Test - 1 - Question 9

A nibble is equal to

SRMJEEE Physics Mock Test - 1 - Question 10

A charged particle accelerated through a potential difference of 100V passes through the uniform electric and magnetic fields so as to experience no deflection. E = 15 x 106 V / m and B = 5 x 103 T. The specific charge e/m is

SRMJEEE Physics Mock Test - 1 - Question 11

A force of 750 N is applied to a block of mass 102 kg to prevent it form sliding on a plane with an inclination angle 30° with the horizontal. If the coefficients of static friction and kinetic friction between the block and the plane are 0.4 and 0.3 respectively, then the frictional force acting on the block is

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 11

SRMJEEE Physics Mock Test - 1 - Question 12

If a satellite is orbiting the earth very close to its surface, then the orbital velocity mainly depends on

SRMJEEE Physics Mock Test - 1 - Question 13

On increasing the temperature of a substance gradually, which of the following colours will be noticed by you

SRMJEEE Physics Mock Test - 1 - Question 14

In thermal equilibrium, the average velocity of gas molecules is

SRMJEEE Physics Mock Test - 1 - Question 15

A body, whose momentum is constant, must have constant

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 15
A body whose momentum is constant must have constant velocity.

For a given mass, the velocity remains constant if the momentum is constant.

This is because momentum = mass × velocity.

So, momentum is directly proportional to velocity.

Hence option B) is correct
SRMJEEE Physics Mock Test - 1 - Question 16

A straight conductor carrying current I. If the magnetic field at a distance r is 0.4 tesla, then magnetic field at a distance 2r will be

SRMJEEE Physics Mock Test - 1 - Question 17

A short bar magnet with its north pole facing north forms a neutral point at P in the horizontal plane. If the magnet is rotated by 90° in the horizontal plane, the net magnetic induction at P is (Horizontal component of earth's magnetic field = B H)

SRMJEEE Physics Mock Test - 1 - Question 18

A river water is flowing at 5ms −1. The depth of river water is 10m. The shearing stress between horizontal layers of the river water is (Viscosity of water is 1 decapoise)

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 18

SRMJEEE Physics Mock Test - 1 - Question 19

A stone is dropped into a lake from a tower of 500 m height. The sound of splash will be heard after (Take g = 10 m-s⁻2)

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 19
We know that

s = ut +1 /2 at2

here

u = 0
a = g

s = 500m

so putting value in above equation 

we get 

t = 10s

Now
Velocity of sound in air 332m/s

time of sound travel = (t1 - 10)sec

Distance= sound x time 
500 = 332 x (t1 -10)

t1 = 11.5 sec

SRMJEEE Physics Mock Test - 1 - Question 20

Which of the following statement is false?

SRMJEEE Physics Mock Test - 1 - Question 21

The time periode of simple pendulum measured inside a stationary lift is found to be T. If the lift starts acclerating upwards with an acceleration g/3, the time periode is

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 21

We know that for a pendulum, its time period T =  2√L/g
Where L is the length of the pendulum and g is net acceleration.
As the lift goes up with the acceleration g/3 we get in frame of the lift, net acceleration is 4g/3
Thus we get new time period, T’ =  2√3L/4g = 3√T / 2

SRMJEEE Physics Mock Test - 1 - Question 22

Identify the correct statement among the following

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 22

(A) Tension in the string at θ = 20° is

This statement is wrong.
(B) Time period is independent of mass of bob
∴ option (B) is wrong

This is independent of length
So it is a correct statement
(D) Max velocity = aω = increases ω decreases
∴ option (D) is wrong

SRMJEEE Physics Mock Test - 1 - Question 23

A stone thrown at an angle θ to the horizontal reaches a maximum height h. The time of flight of the stone is

SRMJEEE Physics Mock Test - 1 - Question 24

The rise of liquid in a capillary tube has a meniscus. If the angle of contact is 90°, the shape of the meniscus is

SRMJEEE Physics Mock Test - 1 - Question 25

A concave mirror gives an image three times as large as the object placed at a distance of 20 cm from it. For the image to be real, the focal length should be

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 25


SRMJEEE Physics Mock Test - 1 - Question 26

A wheel is rotating at 900 r.p.m. about its axis When power is cut off it comes to rest in 1 minute The angular retardation in rad/s2 is

SRMJEEE Physics Mock Test - 1 - Question 27

A boat is sent across a river with a velocity of 8 km/h. If the resultant velocity of the boat is 10 km/h, the river is flowing with a velocity of

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 27


SRMJEEE Physics Mock Test - 1 - Question 28

The rise of liquid due to surface tension in a narrow capillary tube of diameter 'd' is 'h'. If the diameter is reduced to d/2 , the rise will be

Detailed Solution for SRMJEEE Physics Mock Test - 1 - Question 28

SRMJEEE Physics Mock Test - 1 - Question 29

A silver voltameter of resistance 2 ohm and a 3 ohm resistor are connected in series across a cell. If a resistance of 2 ohm is connected in parallel with the voltameter, then the rate of deposition of silver

SRMJEEE Physics Mock Test - 1 - Question 30

The temperature at which the reading of a Fahrenheit thermometer will be double that of a centigrade thermometer is

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