Advertisements
Advertisements
Question
Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.
Solution
The energy, in sound and ultrasonic waves, is propagated by mechanical waves.
APPEARS IN
RELATED QUESTIONS
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
Name the characteristic of sound in relation to its waveform
Define amplitude term in relation to a wave.
Name the principle on which a soundboard works.
Write the approximate value of the speed of sound in water.
(i) A man stands at a distance of 68 m from a cliff and fires a gun. After what time interval will he hear the echo, if the speed of sound in air is 340 ms−1?
(ii) If the man had been standing at a distance of 12 m from the cliff would he have heard a clear echo?
What is mean by the reflection of sound?
