Answer the following:
Can sound travel in vacuum?
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No, sound cannot travel in vacuum because sound needs a medium to propagate and there are no particles in vacuum to propagate sound.
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Arrange the speed of sound in gases Vg, solids Vs and liquids Vl in an ascending order.
State the speed of (i) light and (ii) sound in air?
How does the speed of sound differ in different media?
Flash of lightning reaches us earlier than the sound of thunder. Explain the reason.