Advertisements
Advertisements
प्रश्न
What is the audible range of frequency for human?
Advertisements
उत्तर
The audible range of frequency for humans is 20 Hz to 20 kHz.
APPEARS IN
संबंधित प्रश्न
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the strings suitably. By doing so he is adjusting :
'Note' is a sound :
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
What do you mean by the audible range of frequency?
State three conditions necessary for hearing sound.
The distance between three consecutive crests of wave is 60 cm. If the waves are produced at the rate of 180/ min, calculate:
- wavelength
- time period
- wave velocity.
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
The sound produced by a thunderstorm is heard 10 s after the lightning is seen. Calculate the approximate distance of the thunder cloud. (Given the speed of sound = 340 m s–1.)
