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?
How do bats avoid obstacles in their way, when in flight?
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
What is a bulb horn ? Name the principle on which a bulb horn works.
What is a stethoscope ? Name the principle on which a stethoscope works.
Write the approximate value of the speed of sound in air.
What is meant by echo depth sounding?
A cork piece is floating on the surface of the water in a pond. A piece of pebble is dropped into the water. What will be your observation?
Write short notes on reflection of sound waves from plane and curved surfaces.
