Q. 444.5( 15 Votes )
A cricket ball is seen to hit the bat first and the sound of hitting is heard a little later. Why?
This happens because the speed of light is faster in air then that of the speed of sound.
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Ocean waves of time period 0.01s have a speed of 15 m/s. Calculate the wavelength of these waves. Find the distance between the adjacent crest and the through.Together with Science