EASY
Earn 100

Unit of amplitude is

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Important Questions on Sound

MEDIUM
Science>Physics>Sound>Propagation of Sound

The given graph shows the displacement versus time relation for a disturbance travelling with velocity 1500 m/s. The wavelength of the disturbance will be

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EASY
Science>Physics>Sound>Propagation of Sound
The speed of a wave in a medium is 760 ms-1.If 3600 waves are passing through a point in the medium in 2 minutes then its wavelength is 
EASY
Science>Physics>Sound>Propagation of Sound
The frequency of radio waves from a certain radio station is 600 KHz. Its wavelength is
EASY
Science>Physics>Sound>Propagation of Sound
If the speed of wave is 350 m/s and its wavelength is 100 cm then the frequency of the wave will be
EASY
Science>Physics>Sound>Propagation of Sound
When sound is refracted from air to water, which of the following will remain unchanged?
HARD
Science>Physics>Sound>Propagation of Sound

For the wave shown in figure, calculate the frequency and wave length of the wave if its speed is 320 ms–1.

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MEDIUM
Science>Physics>Sound>Propagation of Sound
What are acoustically measurable quantities related to pitch and loudness?
EASY
Science>Physics>Sound>Propagation of Sound
The distance between two consecutive compressions of a sound wave is 5 cm. The wavelength of the wave is.
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Science>Physics>Sound>Propagation of Sound
A human heart beats 75 times a minute. Calculate its frequency.
EASY
Science>Physics>Sound>Propagation of Sound
Sound travels with a speed of 330 m/s. What is the wavelength of sound whose frequency is 660 Hz?
EASY
Science>Physics>Sound>Propagation of Sound
Name the objective measurement of pitch.
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Science>Physics>Sound>Propagation of Sound
When are the points on a wave said to be in the same phase?
EASY
Science>Physics>Sound>Propagation of Sound
SI unit of wavelength is ___________
EASY
Science>Physics>Sound>Propagation of Sound
A loud sound is produced by striking a drum harder. Give reasons.
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Science>Physics>Sound>Propagation of Sound
Define frequency term in relation to a wave.
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Science>Physics>Sound>Propagation of Sound
Define amplitude term in relation to a wave.
EASY
Science>Physics>Sound>Propagation of Sound
The number of such oscillations per unit time is the ______________ of the sound wave.
EASY
Science>Physics>Sound>Propagation of Sound
If we strike a drum softly, it's skin vibrates with 
EASY
Science>Physics>Sound>Propagation of Sound
Explain the term 'amplitude'. Write its SI unit.
EASY
Science>Physics>Sound>Propagation of Sound
SI unit of Frequency is ________.