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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
If the amplitude of vibration is large, sound is feeble.
The lower the frequency of vibration, the higher is the pitch.
Smaller the membrane, .................. is the pitch.
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:
Loudness
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.
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.
The loudness of a sound depends on its pitch.
What is acoustics?
