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प्रश्न
When sound travels in form of a wave
पर्याय
the particles of medium move from the source to the listener
the particles of medium remain stationary
the particles of medium start vibrating up and down
the particles of medium transfer energy without leaving their mean positions.
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उत्तर
the particles of medium transfer energy without leaving their mean positions.
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संबंधित प्रश्न
In a longitudinal wave, compression and rarefaction are formed.
The quality of a sound depends on the amplitude of wave.
The pitch of a flute is decreased by ................... length of air column.
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 |
Obtain relationship between the time period and frequency.
Two identical guitars are played by two persons to give notes of the same pitch. Will they differ in quality? Give a reason for your answer.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
