Experimental Skills — JEE Main PYQs & Practice Questions

Experimental Skills is a Physics chapter in the JEE Main syllabus. This page brings together 58 previous-year and practice questions on Experimental Skills, organised into 5 topics: Vernier Callipers and Screw Gauge, Pendulum and g Measurement, Metre Bridge and Potentiometer, Optics Experiments and p-n Junction Characteristics. Most questions come with a step-by-step solution you can work through free in PrepWiser.

Download Experimental Skills JEE Main PYQs as a free PDF (with answer key)

Revise this chapter: Revision notes · Formula sheet

Chapter weightage: how many questions each chapter had per shift in the 2024–26 papers.

Vernier Callipers and Screw Gauge

• Given below are two statements : Statement I: In a vernier callipers, one vernier scale…
• There are 100 divisions on the circular scale of a screw gauge of pitch 1 mm. With no…
• The pitch of the screw gauge is 1 mm and there are 100 divisions on the circular scale…
• The Vernier constant of Vernier callipers is 0.1 mm and it has zero error of (-0.05) cm…
• In an experiment with vernier callipers of least count 0.1 mm, when two jaws are joined…
• Least count of a vernier caliper is 1/(20 N) cm. The value of one division on the main…
• A student measuring the diameter of a pencil of circular cross-section with the help of…
• A vernier callipers has 20 divisions on the vernier scale, which coincides with 19ᵗʰ…
• In finding out refractive index of glass slab the following observations were made…
• In a screw gauge the zero of main scale reference line coincides with the fifth division…
• Using screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the thickness…
• Assertion A : If in five complete rotations of the circular scale, the distance…
• One main scale division of a vernier callipers is 'a' cm and nᵗʰ division of the vernier…
• In an experiment to find out the diameter of wire using screw gauge, the following…
• The diameter of a spherical bob is measured using a vernier callipers. 9 divisions of…
• The least count of a screw guage is 0.01 mm . If the pitch is increased by 75% and…
• 10 divisions on the main scale of a Vernier calliper coincide with 11 divisions on the…
• In a screw gauge when the circular scale is given five complete rotations it moves…
• If the screw on a screw-gauge is given six rotations, it moves by 3 mm on the main…
• A tiny metallic rectangular sheet has length and breadth of 5 mm and 2.5 mm…

Pendulum and g Measurement

• Using a simple pendulum experiment g is determind by measuring its time period T. Which…
• A simple pendulum is being used to determine th value of gravitational acceleration g at…

Metre Bridge and Potentiometer

• In the experiment to determine the galvanometer resistance by half-deflection method…
• A teacher in his physics laboratory allotted an experiment to determine the resistance…
• In the given figure of meter bridge experiment, the balancing length AC corresponding to…

Optics Experiments

• In an experiment of measuring the refractive index of a glass slab using travelling…
• In an experiment to measure focal length (f) of convex lens, the least counts of the…
• In an experiment for estimating the value of focal length of converging mirror, image of…
• In parallax method for the determination of focal length of a concave mirror, the object…
• In an experiment to measure the focal length (f) of a convex lens, the magnitude of…
• A 2 meter long scale with least count of 0.2 cm is used to measure the locations of…

p-n Junction Characteristics

• Which of the following will NOT be observed when a multimeter (operating in resistance…

More Physics chapters

• Basic Mathematics for Physics
• Units, Dimensions & Errors
• Rectilinear Motion
• Vectors
• Projectile Motion & Relative Motion
• Newton's Laws of Motion
• Friction
• Circular Motion
• Work, Energy & Power
• Centre of Mass & Linear Momentum
• Collision
• Rotational Motion
• Gravitation
• Simple Harmonic Motion
• Elasticity
• Fluid Mechanics
• Surface Tension
• Thermometry & Calorimetry
• Kinetic Theory of Gases
• Thermodynamics
• Heat Transfer
• Mechanical Waves
• Sound Waves
• Electrostatics I — Charges, Field & Gauss's Law
• Electrostatics II — Potential & Capacitance
• Current Electricity
• Moving Charges & Magnetism
• Magnetism & Matter
• Electromagnetic Induction
• Alternating Current
• Electromagnetic Waves
• Ray Optics
• Wave Optics
• Dual Nature of Radiation & Matter
• Atomic Physics
• Nuclear Physics
• Semiconductors & Electronic Devices
• Communication Systems

Frequently asked questions

How many Experimental Skills questions are there for JEE Main?

PrepWiser has 58 Experimental Skills questions for JEE Main, grouped into 5 topics such as Vernier Callipers and Screw Gauge, Pendulum and g Measurement and Metre Bridge and Potentiometer.

Are these Experimental Skills questions from previous-year JEE Main papers?

Yes — most are genuine previous-year questions from past JEE Main papers, and the rest are practice questions written to match the JEE Main pattern and difficulty.

Where can I see the answers and solutions to these Experimental Skills questions?

Open any Experimental Skills question in PrepWiser (it is free) to attempt it; most come with a step-by-step solution.