Q)
(chatquestion)...A sound wave of wavelength 2 travels horizontally towards the right with a velocity V. It strike
and reflects from a vertical plane surface, travelling at a speed v towards the left. The numberd
positive crests striking in a time interval of 3 sec, on the wall is
(A) 3 (V+ vyn.
(C) (V+vy32.
(B)3(V – v)2.
(D) (V – v)/3).
It is observed that it
1 Answer
...
