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
What is the condition necessary for an echo to be heard distinctly?
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
Explain how the principle of echo is used by
The bat during its flight at
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.
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?
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
Write short notes on reflection of sound waves from plane and curved surfaces.
