Page 1
NEET - 2016
Questions with Solutions
Time: 3 Hours Total Marks: 720
General Instructions:
1. The test is of 3 hours duration.
2. The Test Paper contains 180 questions. There are three parts in the question paper
consisting of Physics and Chemistry having 45 questions each and Biology with 90
questions.
3. Each question carries 4 marks. For each correct response, the candidate will get 4
marks. For each incorrect response, 1 mark will be deducted from the total scores. The
maximum marks are 720.
4. Out of the four options given for each question, only one option is the correct answer. If
more than one response is marked in any question, it will be treated as wrong response
and marked up for wrong response will be deducted.
5. No deduction from the total score will be made if no response is indicated for an item in
the answer box.
6. Use of Electronic/Manual Calculator is prohibited.
PHYSICS
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes
through the centre is cut. What is the moment of inertia of the remaining part of the disc
about a perpendicular axis, passing through the centre?
Option A 15 MR
2
/32
Option B 13 MR
2
/32
Option C 11 MR
2
/32
Option D 9 MR
2
/32
Correct Option B
Solution:
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
remain cut
I =I-I
Page 2
NEET - 2016
Questions with Solutions
Time: 3 Hours Total Marks: 720
General Instructions:
1. The test is of 3 hours duration.
2. The Test Paper contains 180 questions. There are three parts in the question paper
consisting of Physics and Chemistry having 45 questions each and Biology with 90
questions.
3. Each question carries 4 marks. For each correct response, the candidate will get 4
marks. For each incorrect response, 1 mark will be deducted from the total scores. The
maximum marks are 720.
4. Out of the four options given for each question, only one option is the correct answer. If
more than one response is marked in any question, it will be treated as wrong response
and marked up for wrong response will be deducted.
5. No deduction from the total score will be made if no response is indicated for an item in
the answer box.
6. Use of Electronic/Manual Calculator is prohibited.
PHYSICS
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes
through the centre is cut. What is the moment of inertia of the remaining part of the disc
about a perpendicular axis, passing through the centre?
Option A 15 MR
2
/32
Option B 13 MR
2
/32
Option C 11 MR
2
/32
Option D 9 MR
2
/32
Correct Option B
Solution:
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
remain cut
I =I-I
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight
conductor XY, carrying a current I, the net force on the loop will be:
Option A
0
2 Ii
3
Option B
0
Ii
2
Option C
0
2 IiL
3
Option D
0
IiL
2
Correct Option A
Solution:
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
Q 3. The magnetic susceptibility is negative for:
Option A diamagnetic material only
Option B paramagnetic material only
Option C ferromagnetic material only
Option D paramagnetic and ferromagnetic materials
Correct Option A
Solution: diamagnetic material only
Page 3
NEET - 2016
Questions with Solutions
Time: 3 Hours Total Marks: 720
General Instructions:
1. The test is of 3 hours duration.
2. The Test Paper contains 180 questions. There are three parts in the question paper
consisting of Physics and Chemistry having 45 questions each and Biology with 90
questions.
3. Each question carries 4 marks. For each correct response, the candidate will get 4
marks. For each incorrect response, 1 mark will be deducted from the total scores. The
maximum marks are 720.
4. Out of the four options given for each question, only one option is the correct answer. If
more than one response is marked in any question, it will be treated as wrong response
and marked up for wrong response will be deducted.
5. No deduction from the total score will be made if no response is indicated for an item in
the answer box.
6. Use of Electronic/Manual Calculator is prohibited.
PHYSICS
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes
through the centre is cut. What is the moment of inertia of the remaining part of the disc
about a perpendicular axis, passing through the centre?
Option A 15 MR
2
/32
Option B 13 MR
2
/32
Option C 11 MR
2
/32
Option D 9 MR
2
/32
Correct Option B
Solution:
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
remain cut
I =I-I
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight
conductor XY, carrying a current I, the net force on the loop will be:
Option A
0
2 Ii
3
Option B
0
Ii
2
Option C
0
2 IiL
3
Option D
0
IiL
2
Correct Option A
Solution:
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
Q 3. The magnetic susceptibility is negative for:
Option A diamagnetic material only
Option B paramagnetic material only
Option C ferromagnetic material only
Option D paramagnetic and ferromagnetic materials
Correct Option A
Solution: diamagnetic material only
Q 4. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a
cliff at a speed of 15 ms
-1
. Then, the frequency of sound that the observer hears in the echo
reflected from the cliff is: (Take velocity of sound in air = 330 ms
-1
)
Option A 765 Hz
Option B 800 Hz
Option C 838 Hz
Option D 885 Hz
Correct Option C
Solution:
0
0
s
0
vv
f ' f
vv
330 0
f ' f
330 15
frequency heard by the observer
330
800 838Hz
315
?? ?
?
??
?
??
? ??
?
??
?
??
? ? ?
? Observe hears
f’ = 838 Hz
Q 5. A capacitor of 2 µF is charged as shown in the diagram. When the switch S is turned to
position 2, the percentage of its stored energy dissipated is:
Option A 0%
Option B 20%
Option C 75%
Option D 80%
Correct Option D
Solution:
Page 4
NEET - 2016
Questions with Solutions
Time: 3 Hours Total Marks: 720
General Instructions:
1. The test is of 3 hours duration.
2. The Test Paper contains 180 questions. There are three parts in the question paper
consisting of Physics and Chemistry having 45 questions each and Biology with 90
questions.
3. Each question carries 4 marks. For each correct response, the candidate will get 4
marks. For each incorrect response, 1 mark will be deducted from the total scores. The
maximum marks are 720.
4. Out of the four options given for each question, only one option is the correct answer. If
more than one response is marked in any question, it will be treated as wrong response
and marked up for wrong response will be deducted.
5. No deduction from the total score will be made if no response is indicated for an item in
the answer box.
6. Use of Electronic/Manual Calculator is prohibited.
PHYSICS
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes
through the centre is cut. What is the moment of inertia of the remaining part of the disc
about a perpendicular axis, passing through the centre?
Option A 15 MR
2
/32
Option B 13 MR
2
/32
Option C 11 MR
2
/32
Option D 9 MR
2
/32
Correct Option B
Solution:
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
remain cut
I =I-I
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight
conductor XY, carrying a current I, the net force on the loop will be:
Option A
0
2 Ii
3
Option B
0
Ii
2
Option C
0
2 IiL
3
Option D
0
IiL
2
Correct Option A
Solution:
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
Q 3. The magnetic susceptibility is negative for:
Option A diamagnetic material only
Option B paramagnetic material only
Option C ferromagnetic material only
Option D paramagnetic and ferromagnetic materials
Correct Option A
Solution: diamagnetic material only
Q 4. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a
cliff at a speed of 15 ms
-1
. Then, the frequency of sound that the observer hears in the echo
reflected from the cliff is: (Take velocity of sound in air = 330 ms
-1
)
Option A 765 Hz
Option B 800 Hz
Option C 838 Hz
Option D 885 Hz
Correct Option C
Solution:
0
0
s
0
vv
f ' f
vv
330 0
f ' f
330 15
frequency heard by the observer
330
800 838Hz
315
?? ?
?
??
?
??
? ??
?
??
?
??
? ? ?
? Observe hears
f’ = 838 Hz
Q 5. A capacitor of 2 µF is charged as shown in the diagram. When the switch S is turned to
position 2, the percentage of its stored energy dissipated is:
Option A 0%
Option B 20%
Option C 75%
Option D 80%
Correct Option D
Solution:
? ?
? ?
2 6 2 6 2
initial
6
final
6
2
2
66
final
2
6 2 6
62
1
11
U cv 2 10 v 10 v V
22
Total charge 2V 10 V
V volt
totalcapacitance 5
2 8 10
1 V V
U 2 8 10 10 J
2 5 5
V
10 V 10
5
U
10 V
U8
100 100 80%
U 10
??
?
?
??
??
?
? ? ? ? ? ? ?
?
? ? ?
??
??
? ? ? ? ?
??
??
? ? ?
??
?
?
? ? ? ?
Q 6. In a diffraction pattern due to a single slit of width ‘a’, the first minimum is observed at
an angle 30° when light of wavelength 5000Å is incident on the slit. The first secondary
maximum is observed at an angle of:
Option A
1
1
sin
4
Option B
1
2
sin
3
Option C
1
1
sin
2
Option D
1
3
sin
4
Correct Option D
Solution:
10
For minima aSin n
n 1,2,3....
5000 10 1
Sin
a a 2
?
? ? ?
?
??
? ? ? ?
a = 10 × 10
-7
1
For maxima general condition is
2n 1
a sin
2
For first secondary maxima
3
a sin
2
33
sin
2a 4
3
sin
4
?
? ??
? ? ?
??
??
?
??
?
? ? ?
??
??
??
??
Page 5
NEET - 2016
Questions with Solutions
Time: 3 Hours Total Marks: 720
General Instructions:
1. The test is of 3 hours duration.
2. The Test Paper contains 180 questions. There are three parts in the question paper
consisting of Physics and Chemistry having 45 questions each and Biology with 90
questions.
3. Each question carries 4 marks. For each correct response, the candidate will get 4
marks. For each incorrect response, 1 mark will be deducted from the total scores. The
maximum marks are 720.
4. Out of the four options given for each question, only one option is the correct answer. If
more than one response is marked in any question, it will be treated as wrong response
and marked up for wrong response will be deducted.
5. No deduction from the total score will be made if no response is indicated for an item in
the answer box.
6. Use of Electronic/Manual Calculator is prohibited.
PHYSICS
Q 1. From a disc of a radius R and mass M, a circular hole of diameter R, whose rim passes
through the centre is cut. What is the moment of inertia of the remaining part of the disc
about a perpendicular axis, passing through the centre?
Option A 15 MR
2
/32
Option B 13 MR
2
/32
Option C 11 MR
2
/32
Option D 9 MR
2
/32
Correct Option B
Solution:
2
2
2
2
2
42
2 4 2
2
cut
M R R
MR R
I
MR
I
?
?
??
??
??
??
??
? ? ?
??
??
?
remain cut
I =I-I
2
2
2
2
2
2
2
2
M R R
MR M R 42
R
2 2 4 2
MR M M
2 32 16
1 3 13MR
MR
2 32 32
??
? ??
????
??
?? ? ??
??
? ? ? ?
??
??
??
??
??
??
??
? ? ?
??
??
??
? ? ?
??
??
Q 2. A square loop ABCD carrying a current i, is placed near and coplanar with a long straight
conductor XY, carrying a current I, the net force on the loop will be:
Option A
0
2 Ii
3
Option B
0
Ii
2
Option C
0
2 IiL
3
Option D
0
IiL
2
Correct Option A
Solution:
? ?
00
00
II
.i.L .i.L
3L 2 L /2
2
2
IiL 2 Ii 2
; 2 ;
2 L 3 3
??
?
? ??
?
??
??
??
??
?
??
??
??
Q 3. The magnetic susceptibility is negative for:
Option A diamagnetic material only
Option B paramagnetic material only
Option C ferromagnetic material only
Option D paramagnetic and ferromagnetic materials
Correct Option A
Solution: diamagnetic material only
Q 4. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a
cliff at a speed of 15 ms
-1
. Then, the frequency of sound that the observer hears in the echo
reflected from the cliff is: (Take velocity of sound in air = 330 ms
-1
)
Option A 765 Hz
Option B 800 Hz
Option C 838 Hz
Option D 885 Hz
Correct Option C
Solution:
0
0
s
0
vv
f ' f
vv
330 0
f ' f
330 15
frequency heard by the observer
330
800 838Hz
315
?? ?
?
??
?
??
? ??
?
??
?
??
? ? ?
? Observe hears
f’ = 838 Hz
Q 5. A capacitor of 2 µF is charged as shown in the diagram. When the switch S is turned to
position 2, the percentage of its stored energy dissipated is:
Option A 0%
Option B 20%
Option C 75%
Option D 80%
Correct Option D
Solution:
? ?
? ?
2 6 2 6 2
initial
6
final
6
2
2
66
final
2
6 2 6
62
1
11
U cv 2 10 v 10 v V
22
Total charge 2V 10 V
V volt
totalcapacitance 5
2 8 10
1 V V
U 2 8 10 10 J
2 5 5
V
10 V 10
5
U
10 V
U8
100 100 80%
U 10
??
?
?
??
??
?
? ? ? ? ? ? ?
?
? ? ?
??
??
? ? ? ? ?
??
??
? ? ?
??
?
?
? ? ? ?
Q 6. In a diffraction pattern due to a single slit of width ‘a’, the first minimum is observed at
an angle 30° when light of wavelength 5000Å is incident on the slit. The first secondary
maximum is observed at an angle of:
Option A
1
1
sin
4
Option B
1
2
sin
3
Option C
1
1
sin
2
Option D
1
3
sin
4
Correct Option D
Solution:
10
For minima aSin n
n 1,2,3....
5000 10 1
Sin
a a 2
?
? ? ?
?
??
? ? ? ?
a = 10 × 10
-7
1
For maxima general condition is
2n 1
a sin
2
For first secondary maxima
3
a sin
2
33
sin
2a 4
3
sin
4
?
? ??
? ? ?
??
??
?
??
?
? ? ?
??
??
??
??
Q 7. At what height from the surface of earth the gravitation potential and the value of g are –
5.4×10
7
J kg
-2
and 6.0 ms
-2
respectively? Take the radius of earth as 6400 km.
Option A 2600 km
Option B 1600 km
Option C 1400 km
Option D 2000 km
Correct Option A
Solution:
? ?
e
at height h
e
e
h
2
e
7
at height h
e
h
6
e
66
GM
V (1)
Rh
GM
g 6 (2)
Rh
V
5.4 10
Rh
g6
R h 9 10
h 9 10 6.4 10
2600km
? ? ? ? ? ? ? ?
?
? ? ? ? ? ? ? ? ?
?
?
? ? ?
? ? ?
? ? ? ?
?
Q 8. Out of the following options which one can be used to produce a propagating
electromagnetic wave?
Option A A charge moving at constant velocity.
Option B A stationary charge
Option C A chargeless particle
Option D An accelerating charge
Correct Option D
Solution: An accelerating charge is responsible for producing electromagnetic waves.
Q 9. Two identical charged spheres suspended from a common point by two massless strings
of lengths l, are initially at a distance d (d<<l) apart because of their mutual repulsion. The
charges begin to leak from both the spheres at a constant rate. As a result, the spheres
approach each other with a velocity ?. Then ? varies as a function of the distance x between
the spheres, as:
Option A
1
2
x ??
Option B ? ? x
Option C
1
2
x
?
??
Option D ? ? x
-1
Correct Option C
Solution:
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