We hear the sound of thunder after the flash of lightning is seen. Give reason.
Give reasons.
(a) A tabla player tightens or loosens the bands tying down the membrane.
(b) We hear thunder long after we have seen the flash of lightning.
(c) A surface is necessary for an echo to be heard.
Flash of lightning reaches us earlier than the sound of thunder. Explain the reason.
Explain why, the flash of lightning is seen first but the sound of thunder is heard a little later (though lightning and thunder take place in the sky at the same time and same distance from us).
When lightning and thunder happens, we hear the sound of thunder after some time when lightning happens ie; we will first see the light and then the sound. Why ?