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प्रश्न
The safe limit of loudness of audible sound is
विकल्प
0 to 80 dB
above 80 dB
120 dB
above 120 dB
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उत्तर
0 to 80 dB
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संबंधित प्रश्न
What do you understand by the loudness of sound?
The pitch of a flute is decreased by ................... length of air column.
The unit of loudness is _______.
Name the unit in which the loudness of sound is expressed.
State three factors on which loundess of sound heard by a listener depends.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
Which characteristics of sound will change if there is a change in its amplitude.
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
What does the intensity of sound depend upon?
