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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
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
The ratio of the amplitude of two waves is 3:4. What is the ratio of their Frequencies?
Name one property of waves that do not change when the wave passes from one medium to another.
Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Name three characteristics of a musical sound.
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Name one main factor on which each character such as intensity, pitch, and quality of musical sound depends.
