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Mridangam is the musical instruments in which sound is produced by beating the diaphragm of musical instrument.

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Important Questions on Sound

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The frequency of a source of sound is 256 Hz. It vibrates _____( 512 / 256) times in a second.
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Vibration is also known as:
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Warning sounds include _____.
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Identify the part which vibrates to produce sound in the following instruments:
Flute
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Name two sources of sound.
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Which of the following is a source of sound energy?
MEDIUM
The figure below shows snapshots of the pressure variation in two different sound waves in air plotted against position. Both the figures are drawn to the same scale.
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Which of the following statements is true?
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Define vibration.
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The to and fro or back and forth motion of an object about a fixed position is termed as:
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Sound is produced when something _____.
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Identify the part which vibrates to produce sound in the following instruments:
Sitar
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Sound can travel through:
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The change in density of sound from the maximum value to the minimum value, again to the maximum value, makes one complete _____________.
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Which of the following statement best describes frequency?
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 A siren is a loud sound-making device. 
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Which of the following musical instruments is not of Indo-Islamic origin?
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When a sound wave travels in the air, the physical quantity which is transferred from one place to the other is:
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Sound is a form of energy. 
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_____________ is a form of energy which produces a sensation of hearing in our ears.
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Identify the part which vibrates to produce sound in the following instruments:
Dholak