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Physics · JEE

Important Questions: Experimental Skills for JEE

2+ syllabus-aligned questions available

Quick answer

The most important Experimental Skills questions for JEE cover conceptual traps, standard results, and numerical patterns from Vernier calipers - its use to measure the internal and external diameter and depth of a vessel, Screw gauge - its use to determine the thickness/diameter of thin sheet/wire, Simple pendulum - dissipation of energy by plotting a graph between the square of amplitude and time, Metre scale - the mass of a given object by the principle of moments, and more. Goodmarks provides 2+ high-yield MCQs with full solutions.

Focus on what matters most. These important Experimental Skills questions cover high-weightage concepts from Vernier calipers - its use to measure the internal and external diameter and depth of a vessel, Screw gauge - its use to determine the thickness/diameter of thin sheet/wire, Simple pendulum - dissipation of energy by plotting a graph between the square of amplitude and time, Metre scale - the mass of a given object by the principle of moments, and more — the topics JEE repeats every year.

Subtopics in Experimental Skills

  • Vernier calipers - its use to measure the internal and external diameter and depth of a vessel
  • Screw gauge - its use to determine the thickness/diameter of thin sheet/wire
  • Simple pendulum - dissipation of energy by plotting a graph between the square of amplitude and time
  • Metre scale - the mass of a given object by the principle of moments
  • Young's modulus of elasticity of the material of a metallic wire
  • Surface tension of water by capillary rise and effect of detergents
  • Co-efficient of viscosity of a given viscous liquid by measuring the terminal velocity of a given spherical body
  • Speed of sound in air at room temperature using a resonance tube
  • Specific heat capacity of a given (i) solid and (ii) liquid by method of mixtures
  • The resistivity of the material of a given wire using a metre bridge
  • The resistance of a given wire using Ohm's law
  • Resistance and figure of merit of a galvanometer by half deflection method
  • The focal length of convex mirror, concave mirror, and convex lens, using the parallax method
  • The plot of the angle of deviation vs angle of incidence for a triangular prism
  • The refractive index of a glass slab using a travelling microscope
  • Characteristic curves of a p-n junction diode in forward and reverse bias
  • Characteristic curves of a Zener diode and finding reverse breakdown voltage
  • Identification of diode, LED, resistor, a capacitor from a mixed collection of such items

Free sample questions

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Q1PhysicsUnit 20: Experimental Skills
A tuning fork of frequency 500 Hz is sounded on a resonance tube. The first and second resonances are obtained at 17cm17 \mathrm{cm} and 52cm.52 \mathrm{cm} . The velocity of sound is
Q2PhysicsUnit 20: Experimental Skills
To determine the Young modulus of a wire, several measurements are taken. In which row can the measurement not be taken directly with the stated apparatus?

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Frequently asked questions

What makes a Experimental Skills question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Experimental Skills are high-weightage?

Key areas include Vernier calipers - its use to measure the internal and external diameter and depth of a vessel, Screw gauge - its use to determine the thickness/diameter of thin sheet/wire, Simple pendulum - dissipation of energy by plotting a graph between the square of amplitude and time, Metre scale - the mass of a given object by the principle of moments, and more. Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

Can I practise only important questions on Goodmarks?

Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.

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