The given figure shows four similar sound waves entering four different media of equal thickness, t. The sound wave will emerge first from medium

The given figure shows four similar sound waves entering four differen

1.	The given figure shows four similar sound waves entering four different media of equal thickness, t. The sound wave will emerge first from medium
A.	I
B.	II
C.	III
D.	IV
Answer» D. IV

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The given figure shows four similar sound waves entering four different media of equal thickness, t. The sound wave will emerge first from medium

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