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प्रश्न
When sound propagates in air, it does not carry energy with it.
पर्याय
True
False
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उत्तर
False.
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संबंधित प्रश्न
The quality of a sound depends on the amplitude of wave.
The pitch of a stringed instrument is increased by .................. tension in string.
If a drum is beaten hard, its loudness ................
Sound can not travel in
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.
How do they differ in
(a) loudness,
(b) pitch and
(c) quality
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of frequencies?
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
