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प्रश्न
An alarm bell is kept inside a vessel as shown in the following figure. A person standing close to it can distinctly hear the sound of alarm. Now, if the air inside the vessel is removed completely, how will the loudness of alarm get affected for the same person?
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उत्तर
Initially, the person is able to hear the sound coming from air and water distinctly. But after sometime, when the air is completely removed from the bottle, the sound will pass through the water and not reached to man.
So, the man will not hear the sound that was coming through the air initially.
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संबंधित प्रश्न
Comment on the statement 'loudness of sound is a subjective quantity, while intensity is an objective quantity.
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Name the distinguishing factors of sound.
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Intensity
What are the factors that the intensity of Sound depends upon?
