5. If the speed of sound in air is 332m/sec and frequency is
What is its wave length? (Ans: 33.2m)
The speed of sound is 330m/s, its wavelength is3.3 mete
frequency? (Ans: 100Hz)
The wavelength of sound is 15m and its frequency is 10
its speed? (Ans: 1500m/s)
A man sitting nearby a cave of mountain hears the
his whistle in 0.25 second. How far is he from mou
v=332m/s). (Ans: 33.2m)
6.
7.