Advertisements
Advertisements
प्रश्न
What is the shape of a soundboard kept behind the speaker on the stage of a big hall ?
Advertisements
उत्तर
Soundboard is a concave board that is kept behind the speaker on the stage of a big hall.
APPEARS IN
संबंधित प्रश्न
A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
1) Calculate the speed with which this sound travels
2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.
State two differences between the light and sound waves.
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey
What do you mean by reflection of sound? State one condition for the reflection of a sound wave. Name a device in which reflection of sound wave is used.
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
