PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. What is a longitudinal wave?
a. A longitudinal wave occurs when the particles of a medium vibrate in the .
b. Example of longitudinal wave .
2. What is the audible range of frequency?
a. The minimum audible frequency range is .
b. The maximum audible frequency range is
3. What is the minimum distance needed for an echo?
a. The minimum distance required to hear an echo is part of the magnitude of sound velocity in air.
b. If you consider the velocity of sound as \(m/s\), the minimum distance required to hear an echo is \(17\).
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