EASY
Earn 100

Unit of amplitude is

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Important Questions on Sound

EASY
If the speed of wave is 350 m/s and its wavelength is 100 cm then the frequency of the wave will be
EASY
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
The frequency of radio waves from a certain radio station is 600 KHz. Its wavelength is
MEDIUM

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
When sound is refracted from air to water, which of the following will remain unchanged?
HARD

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