What we plant in the soil of contemplation we shall reap in the harvest of action.— Meister Eckhart

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

The frequency of a sound wave is 500 Hz and its wavelength is 0.66 m. What is the speed of sound in the medium?