Answer the following:
(i) Can transverse waves travel in gases ?
(ii) Can longitudinal waves travel in solid, liquid as well as gas ?
(iii) At any instant a compression is formed at a point. After how much time
(a) a rarefaction
(b) a compression Will be formed at the same point ?
(i) No
(ii) Yes
(iii) If T is the period of the wave, then
(a) after time interval T/2, the point will have a rarefaction
(b) and after time T, the point will have a compression.