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Question
Statement-1 : When a longitudinal pressure wave is reflected at the open end of an organ pipe, the compression pressure wave pulse becomes rarefraction pressure wave pulse during the reflection.
Statement-2 : The phase of the wave changes by when reflected at the open end.
Statement-1 : When a longitudinal pressure wave is reflected at the open end of an organ pipe, the compression pressure wave pulse becomes rarefraction pressure wave pulse during the reflection.
Statement-2 : The phase of the wave changes by when reflected at the open end.
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Solution
The correct option is C Both the statements are true and statement-2 is the correct explanation of statement-1
When a longitudinal pressure wave is reflected at the open end the phase changes by π. Thus compression becomes rarefraction.
When a longitudinal pressure wave is reflected at the open end the phase changes by π. Thus compression becomes rarefraction.
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