Advertisements
Advertisements
प्रश्न
State three conditions necessary for hearing sound.
टीपा लिहा
Advertisements
उत्तर
Necessary conditions for hearing a sound:
- There must be a vibrating body, capable of transferring its energy to its surroundings.
- These must be a material medium to pick the energy and then propagate it in a forward direction.
- There must be a receiver, so as to receive the sound vibrations and then transmit them to the brain for final interpretation, such as the human ear.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
What are wavelength, frequency, time period and amplitude of a sound wave?
'Note' is a sound :
State the relation between the wavelength and the frequency.
How do bats avoid obstacles in their way, when in flight?
Draw a displacement-time graph for water wave.
What causes sound in air?
How do the following factor affect the speed of sound in air?
Temperature of air
The smoke from the gun barrel is seen 2 second before the explosion is heard. If the speed of sound in air is 350 ms-1, calculate the distance of observer from the gun.
