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Refractive Index: Prism and Travelling Microscope for JEE: 8 solved questions

Real JEE paper questions on refractive index: prism and travelling microscope, part of experimental skills. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2008 to 2025. No sign-in needed to read them.

What this topic asks

• Refractive index by prism and slab — 4 questions
• Least count of a travelling microscope — 4 questions

All 8 questions with solutions

• In an experiment for determination of refractive index of glass of a prism by i-δ, plot, it was found that a… JEE Main 2016
• For the determination of refractive index of glass slab, a travelling microscope is used whose main scale con… JEE Main 4th April 2nd Shift 2025
• If 50 Vernier divisions are equal to 49 main scale divisions of a travelling microscope and one smallest read… JEE Main 30th Jan 2nd Shift 2024
• A travelling microscope has 20 divisions per cm on the main scale while its vernier scale has total 50 divisi… JEE Main 29th July 1st Shift 2022
• To determine refractive index of glass slab using a travelling microscope, minimum number of readings require… JEE Main Online 2016
• An experiment is performed to find the refractive index of glass using a travelling microscope. In this exper… JEE Main 2008
• In an experiment of measuring the refractive index of a glass slab using travelling microscope in physics lab… JEE Main 29th Jan 2nd Shift 2023
• A travelling microscope is used to determine the refractive index of a glass slab. If 40 divisions are there… JEE Main 26th June 2nd Shift 2022