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Experimental Physics — NEET UG Physics PYQs

53 previous year questions from Experimental Physics with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

53 questionsPhysicsSolutions on every page
1

One main scale division of a Vernier calliper is equal to 1 mm and the number of divisions on the Vernier scale is 10 . When both the jaws touch each other, the Vernier scale shift

NEET 2026 Solution View → 2

In a vernier callipers, 20 VSD coincide with 16 MSD (each division of length 1 mm). The least count of the vernier callipers is :

NEET 2026 Solution View → 3

Which of the following measurements require ‘index correction’ ?

NEET 2026 Solution View → 4

Consider the diameter of a spherical object being measured with the help of a Vernier callipers. Suppose its 10 Vernier Scale Divisions (V.S.D.) are equal to its 9 Main Scale Divis

NEET 2025 Solution View → 5

The pitch of an error free screw gauge is 1 mm and there are 100 divisions on the circular scale. While measuring the diameter of a thick wire, the pitch scale reads 1 mm and 63^ r

NEET 2024 Solution View → 6

In a vernier callipers, (N+1) divisions of vernier scale coincide with N divisions of main scale. If 1 MSD represents 0.1 mm , the vernier constant (in cm ) is:

NEET 2024 Solution View → 7

A screw gauge gives the following readings when used to measure the diameter of a wire Main scale reading : 0   mm Circular scale reading : 52   divisions Given that 1 &#

NEET 2021 Solution View → 8

The angle of 1 ' (minute of arc) in radian is nearly equal to

NEET 2020 Solution View → 9

A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer we can measure the

NEET 2020 Solution View → 10

A screw gauge has least count of 0.01   mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is:

NEET 2020 Solution View → 11

Two mole of oxygen is mixed with eight mole of helium. The effective specific heat of the mixture at constant volume is

AIIMS 2019 Solution View → 12

The main scale of a vernier calliper has n divisions/cm. n divisions of the vernier scale coincide with (n-1) divisions of main scale. The least count of the vernier callipers is

NEET 2019 Solution View → 13

Two mole of oxygen is mixed with eight mole of helium. The effective specific heat of the mixture at constant volume is

NEET 2019 Solution View → 14

A student measured the diameter of a small steel ball using a screw gauge of least count 0 . 001   cm . The main scale reading is 5   mm and 25 t h division of circular s

NEET 2018 Solution View → 15

Universal time is based on

JIPMER 2015 Solution View → 16

Universal time is based on

NEET 2015 Solution View → 17

3 mole of hydrogen is mixed with 1 mole of neon. The molar specific heat at constant pressure is

AIIMS 2014 Solution View → 18

3 mole of hydrogen is mixed with 1 mole of neon. The molar specific heat at constant pressure is

NEET 2014 Solution View → 19

The number 0 (zero) is required for

AIIMS 2007 Solution View → 20

The number 0 (zero) is required for

NEET 2007 Solution View → 21

In the measurement of resistance of a wire using Ohm's law, the plot between V and I is drawn as shown, then resistance of given wire will be

NEET Solution View → 22

Graph of position of image vs position of a point object from a convex lens is shown in the figure. The focal length of the lens is –

NEET Solution View → 23

Assertion A : If in five complete rotations of the circular scale, the distance travelled on the main scale of the screw gauge is 5 mm and there are 50 total divisions on a circula

NEET Solution View → 24

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In a Meter Bridge experiment, null point for an unknown re

NEET Solution View → 25

Assertion (A): A meter-bridge works on the principle of wheatstone bridge. Reason (R): The drift velocity of electrons in a metallic wire is very high.

NEET Solution View → 26

Statement-I: A screw gauge having a smaller value of pitch has greater accuracy. Statement-II: The least count of screw gauge is directly proportional to the number of divisions on

NEET Solution View → 27

Column I gives a list of possible set of parameters measured in some experiments. The variations of the parameters in the form of graphs are shown in Column II. Match the set of pa

NEET Solution View → 28

There are four Vernier seales, whose specifications are given in column-1 and the least count is given in Column-II. Match the Columns-1 and II with correct specification and corre

NEET Solution View → 29

Match the columns. ( array |l|l|l|l| & Column-I & & Column-II A. & Backlash error & P. & Always subtracted B. & Zero error & Q. & Least count =1 MSD 1 VSD C. & Vernier callipers &

NEET Solution View → 30

The main scale of a vernier calliper has m divisions per centimetre. It is given that n divisions of the vernier scale coincide with (n-1) divisions of the main scale. While measur

NEET Solution View → 31

Match List-I with List-II. List-I List-II A) 1^ I) 57.3^ B) 1' II) 1.745 10⁻² rad C) 1'' III) 2.91 10⁻⁴ rad D) 1 rad IV) 4.85 10⁻⁶ rad Choose the correct answer from the options gi

NEET Solution View → 32

The circular main scale of a spectrometer is divided into half-degrees ( 0.5^ ). It is observed that 30 divisions of the vernier scale coincide exactly with 29 divisions of the mai

NEET Solution View → 33

A screw gauge has a pitch of 0.5 mm and 50 divisions on its circular scale. When used to measure the thickness of a glass plate, the main scale reading is 2.0 mm and the total meas

NEET Solution View → 34

In a special 'retrograde' vernier caliper, 10 divisions of the vernier scale coincide exactly with 11 divisions of the main scale. If 1 main scale division is exactly 1 mm , the le

NEET Solution View → 35

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): For a standard Vernier calliper ( 1 main scale division = 1

NEET Solution View → 36

In a certain vernier callipers, 10 divisions of the vernier scale coincide with 8 divisions of the main scale. The length of one main scale division is 1 mm. When measuring the dia

NEET Solution View → 37

Match List-I with List-II regarding the specifications of different vernier callipers and their least counts. List-I (Specifications) List-II (Least Count) A. 10 main scale divisio

NEET Solution View → 38

A screw gauge has a pitch of 1 mm and 100 divisions on its circular scale. When its jaws are fully closed, the zero of the circular scale is 4 divisions above the reference line. W

NEET Solution View → 39

The main scale of a vernier calipers has divisions of length a . It is found that n divisions of the vernier scale coincide with (n-2) divisions of the main scale. The least count

NEET Solution View → 40

To convert an angle measured in radians into seconds of arc, the value in radians must be multiplied by which of the following exact factors?

NEET Solution View → 41

A vernier callipers has a least count of 0.05 mm. The main scale is marked in half millimetres (i.e., 1 MSD = 0.5 mm). If the vernier scale has 50 divisions in total, how many main

NEET Solution View → 42

A specialized Vernier calliper has its main scale graduated such that 1 main scale division is equal to 0.5 mm. Twenty Vernier scale divisions are equal to nineteen main scale divi

NEET Solution View → 43

Match List-I with List-II regarding the least count of various measuring instruments. List-I (Instrument Configuration) List-II (Least Count) (A) Screw gauge: Pitch 1 mm , 100 circ

NEET Solution View → 44

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): A coin of diameter d placed at a distance of 57.3 d from th

NEET Solution View → 45

A student uses a standard Vernier calliper ( 1 main scale division = 1 mm, 10 Vernier scale divisions = 9 main scale divisions) which is known to have a negative zero error. The ac

NEET Solution View → 46

In a specially designed vernier calipers, 10 divisions of the vernier scale coincide exactly with 11 divisions of the main scale. If each main scale division measures 1 mm , what i

NEET Solution View → 47

Data recorded during an experiment to measure the diameter of a sphere using a Vernier calliper ( 1 main scale division = 1 mm, 10 Vernier scale divisions = 9 main scale divisions)

NEET Solution View → 48

In a vernier caliper, 1 cm on the main scale is divided into 10 equal parts. It is given that 20 divisions of the vernier scale coincide with 19 divisions of the main scale. While

NEET Solution View → 49

The main scale of a circular vernier instrument has N divisions per degree. It is given that V divisions of the vernier scale coincide with (V-1) divisions of the main scale. The l

NEET Solution View → 50

A telescope observes two points on a distant planet. The linear separation between the points is 10^6 m , and they subtend an angle of 6' (minutes of arc) at the telescope. The dis

NEET Solution View → 51

The least count of a vernier callipers is given as x mm. It is observed that N divisions of its vernier scale coincide exactly with (N-2) divisions of the main scale. The value of

NEET Solution View → 52

A Vernier caliper is used to measure the diameter of a cylinder. It is given that 1 main scale division (MSD) is equal to 1 mm and 20 Vernier scale divisions (VSD) coincide with 19

NEET Solution View → 53

A vernier calliper has a least count of C cm . It is given that N divisions of the vernier scale coincide with (N-1) divisions of the main scale. The number of divisions in 1 cm on

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