All Exams Test series for 1 year @ ₹349 only
Question

When light passes from a rarer medium to a denser medium it:

This question was previously asked in
OTET 2026 Social Studies Question Paper (5-Jul-2026)
The correct answer is

Slows down

A denser medium has a higher refractive index, so light travels slower in it than in a rarer medium; hence light slows down on entering a denser medium.

Was this answer helpful?

Important Questions from Refraction and Reflection

  1. Two convex lenses have focal lengths of 50 cm and 25 cm, respectively. If these two lenses are placed in contact, then the net power of this combination will be equal to

  2. The refractive index of crown glass is close to 3/2. If the speed of light in air is c, then the speed of light in the crown glass will be close to

  3. The twinkling of a star is due to the atmospheric
  4. What is the magnification produced by a concave lens of focal length 10 cm, when an image is formed at a distance of 5 cm from the lens?
  5. Tyndall effect is a phenomenon of

Need Expert Advice?
Upcoming Exams
CTET
September 06, 2026
MH SET
September 06, 2026
Test Series
OTET img
Teaching
OSSTET 2025 Mock Test Series
79 Tests 3 Tests Free
1099 Attempts
4.8(11)
English

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App