A wave is reflected from a rigid support. The change in phase on refle – McqOptions

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1.	A wave is reflected from a rigid support. The change in phase on reflection will be [MP PMT 1990; RPMT 2002]
A.	\[\pi /4\]
B.	\[\pi /2\]
C.	\[\pi \]
D.	\[2\pi \]
Answer» D. \[2\pi \]

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