Advertisements
Advertisements
प्रश्न
A boy fires a gun and another boy at a distance of 1020 m hears the sound of firing the gun 3 s after seeing its smoke. Find the speed of sound.
उत्तर
Speed = `"Distance travelled "/" time taken"`
Speed = ` 1020/3 = 340 "m s" ^-1`
APPEARS IN
संबंधित प्रश्न
Two children are at opposite ends of an aluminium rod. One strikes the end of the rod with a stone. Find the ratio of times taken by the sound wave in air and in aluminium to reach the second child.
Select the correct alternative :
The speed of sound in water is
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
Calculate the frequency of a wave whose time-period is 0.02 s.
Explain why, the flash of a gun shot reaches us before the sound of the gun shot.
Calculate the speed of a sound wave whose frequency is 2 kHz and wavelength 65 cm.
The maximum speed of vibrations which produce audible sound will be in :
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in : a village
The Velocity of sound is high in gases than liquids.
On which factors does the speed of sound in the solid medium depend?