Physics · Light - Reflection and Refraction
How does the focal length of a concave mirror change when it is transferred from air into a medium like water or vacuum?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1It depends on the refractive index of the surrounding medium
- 2The focal length remains unchanged regardless of the medium✓
- 3It decreases in water and increases in vacuum
- 4It increases in water and decreases in vacuum
Correct answer
The focal length remains unchanged regardless of the medium
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Light - Reflection and Refraction MCQs →Want more practice questions on Light - Reflection and Refraction?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Light - Reflection and Refraction