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Vernier Callipers for JEE: 27 solved questions

Real JEE paper questions on vernier callipers, part of experimental skills. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2009 to 2026. No sign-in needed to read them.

What this topic asks

• Least count — 13 questions
• Positive zero error — 8 questions
• Negative zero error — 3 questions
• Derived quantities — 3 questions

All 27 questions with solutions

• In a vernier callipers, 50 vernier scale divisions are equal to 48 main scale divisions. If one main scale di… JEE Main 24th Jan 2nd Shift 2026
• Given below are two statements. Statement-I: In a vernier callipers, one vernier scale division is always sma… JEE Main 22nd Jan 1st Shift 2025
• A vernier callipers has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale.… JEE Main 5th April 2nd Shift 2024
• In a vernier calliper, when both jaws touch, the zero of the vernier scale shifts to the left and its 4th div… JEE Main 6th April 2nd Shift 2024
• The least count of a vernier caliper is 1/(20N) cm. One main scale division is 1 mm. The number of main scale… JEE Main 8th April 2nd Shift 2024
• One main scale division of a vernier caliper is m units. If the nth division of the main scale coincides with… JEE Main 9th April 1st Shift 2024
• 10 divisions on the main scale of a vernier calliper coincide with 11 divisions on the vernier scale. If each… JEE Main 1st Feb 1st Shift 2024
• If n main scale divisions coincide with (n+1) vernier scale divisions and each centimetre on the main scale i… JEE Main 30th June 1st Shift 2022
• One main scale division of a vernier callipers is a cm and the nth division of the vernier scale coincides wi… JEE Main 16th March 1st Shift 2021
• N divisions on the main scale of a vernier callipers coincide with (N+1) divisions of the vernier scale. If e… JEE Main Online 2012
• In an experiment angles are measured with an instrument in which 29 divisions of the main scale exactly coinc… JEE Main 2009
• In a vernier callipers, each cm on the main scale is divided into 20 equal parts. The tenth vernier scale div… JEE Main 26th June 1st Shift 2022
• In a vernier callipers, when both jaws touch, the zero of the vernier scale is to the right of the main scale… JEE Main 5th April 1st Shift 2026
• When both jaws of a vernier callipers touch, the vernier zero is to the right of the main scale zero and the… JEE Main 22nd Jan 1st Shift 2025
• Assertion (A): In a vernier callipers, if a positive zero error exists, the reading taken will be more than t… JEE Main 27th Jan 2nd Shift 2024
• In a vernier callipers of least count 0.1 mm, when the jaws are joined the vernier zero is to the right of th… JEE Main 10th April 2nd Shift 2023
• A vernier scale has a positive zero error of 0.2 mm. In a measurement the vernier zero lies between 8.5 cm an… JEE Main 17th March 1st Shift 2021
• The least count of the main scale of a vernier callipers is 1 mm; its vernier has 10 divisions coinciding wit… JEE Main 2nd Sept 1st Shift 2020
• One main scale division of a vernier callipers is 1 mm and 10 vernier divisions equal 9 main scale divisions.… JEE Main 27th July 1st Shift 2022
• A vernier callipers has 9 main scale divisions equal to 10 vernier divisions, with 1 main scale division =1 m… JEE Main 31st Aug 2nd Shift 2021
• In a vernier callipers, 10 vernier divisions equal 9 main scale divisions. With the jaws touching, the vernie… JEE Main 26th July 2nd Shift 2022
• A steel ball's diameter is measured with a vernier callipers whose main scale is divided in 0.1 cm and whose… JEE Main Online 2015
• A vernier callipers has a vernier constant of 0.1 mm and a zero error of -0.05 cm. Measuring a sphere, the ma… JEE Main 29th June 2nd Shift 2022
• Using a travelling microscope (50 vernier divisions =49 MSD, 20 main scale divisions per cm) the readings are… JEE Main 6th April 2nd Shift 2024
• A sphere's diameter is measured with a vernier caliper whose 9 main scale divisions equal 10 vernier division… JEE Main 8th April 1st Shift 2024
• A student measures a pencil's diameter as 5.50, 5.55, 5.54, 5.65 mm. The average is 5.5375 mm and the standar… JEE Main 6th Sept 2nd Shift 2020
• Identify the physical quantity that cannot be measured using spherometer JEE Main 27th Jan 1st Shift 2024