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

Light, Heat and Sound — quick quiz

5 real WB TET questions on Light, Heat and Sound. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

A ray of light passes from air into a glass block. The refractive index of glass is 1.5. If the speed of light in air is 3 × 10^8 m/s, what is the speed of light in the glass block?