How is the frequency of a wave related to it's time period?
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What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
Define the term amplitude of a wave. Write it's S.I. unit.
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?