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प्रश्न
Fill in the blank.
The pitch of a sound depends on its ________.
Pitch of a sound depends on the _____ vibration.
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उत्तर १
The pitch of a sound depends on its frequency.
उत्तर २
Pitch of a sound depends on the frequency of the vibration.
संबंधित प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
Distinguish between loudness and intensity of sound.
Fill in the blank.
________ produces a sensation in ears.
Differentiate between a high pitch sound and a low pitch sound.
Name the type of waves produced when a tuning fork is struck in air.
State the general name of the waves in which the particles of the medium vibrate :
(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
Complete the following sentence :
Sound is produced by a ___________ body.
How do the following factor affect the speed of sound in air?
Temperature of air
The time interval between a lighting flash and the first sound of thunder was found to be 6 s. If the speed of sound in air is 330 ms-1, find the distance of the flash from the observer.
What is echolocation? How do animals make use of this phenomenon?
The sound waves travel faster ______.
Note is a sound
Name the waves used for sound ranging. State one reason for their use.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
