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प्रश्न
What is an echo
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उत्तर
The sound heard after reflection from a distant obstacle after the original sound has ceased is called an echo.
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संबंधित प्रश्न
The lower the frequency of vibration, the higher is the pitch.
Name the factor that determines Quality of the note
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
State three factors on which loudness of sound heard by a listener depends.
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
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?
