English

Explain the following: Why does a crack in window pane, sometimes appear silvery?

Advertisements
Advertisements

Question

Explain the following:

Why does a crack in window pane, sometimes appear silvery?

Explain
Advertisements

Solution

A crack in a window pane contains air. When light travelling through the glass strikes the glass–air boundary at an angle greater than the critical angle, it undergoes total internal reflection. The reflected light makes the crack appear silvery.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Refraction of Light - EXERCISE-2 [Page 83]

APPEARS IN

Goyal Brothers Prakashan A New Approach to ICSE Physics [English] Class 10
Chapter 4 Refraction of Light
EXERCISE-2 | Q 10. (b) | Page 83
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×