If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Light & Sound — quick quiz

5 real Bihar Police questions on Light & Sound. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

When a ray of light passes from air into glass, which of the following statements is correct?