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प्रश्न
When sound propagates in air, it does not carry energy with it.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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उत्तर
False.
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संबंधित प्रश्न
What do you understand by the loudness of sound?
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 |
The unit of loudness is _______.
What is longitudinal wave?
State three factors on which loundess of sound heard by a listener depends.
The frequencies of notes given by flute, guitar and trumpet are respectively 400 Hz, 200 Hz and 500 Hz. Which one of these has the highest pitch?
Why do the quantities of sound of the same pitch differ when produced by different instruments?
What is meant by the ‘pitch’ of a note? Does it depend on the loudness or ‘quality’ of the ‘note’? How is pitch ‘related’ with frequency?
What does the intensity of sound depend upon?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
