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प्रश्न
In a longitudinal wave, compression and rarefaction are formed.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
The lower the frequency of vibration, the higher is the pitch.
Loudness is determined by the __________ of vibration.
A tuning fork produces sound of ................... frequency.
Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
Name three characteristics of a musical sound.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
Give a scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
