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Ray Optics

JEE Main level, single correct, medium

292 of 295

Question 292 of 295

An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distance are measured by

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Answer: (A) a vernier scale provided on the microscope

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JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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Explain it as a whiteboard videoStep-by-step, in Hinglish or English. Your first video needs no login.Solved it on paper but got it wrong?Upload a photo of your working. Mistake Doctor marks the exact line that broke.

See it move: Lens ray diagram simulationDrag the sliders and watch the numbers in this question change.Revise Ray Optics firstFormula sheet, solved examples and the traps students fall into.

More Physics practice

JEE Main Physics practice question on Ray Optics (Optical Instruments), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.