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0 votes
32.5k views
in Physics by (138k points)
An organ pipe, open at both ends, contains
(a) longitudinal stationary waves
(b) longitudinal travelling waves
(c) transverse stationary waves
(d) transverse travelling waves.

1 Answer

+1 vote
by (144k points)
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Best answer

(a) longitudinal stationary waves

EXPLANATION:

 An organ pipe open at both ends contains sound waves which are longitudinal waves, so the option (c) and (d) are not true. When the waves enter through one end it gets reflected from the other end with a phase change of π. The reflected wave is again reflected by the first end. With repeated reflections, if the length of the pipe is a multiple of the half wavelength, stationary waves are formed. Thus option (a).

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