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प्रश्न
When sound propagates in air, it does not carry energy with it.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
Name the factor that determines Quality of the note
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
In which units is the loudness of sound measured?
Smaller the membrane, .................. is the pitch.
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
Name the characteristic of sound related to its frequency
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
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
