NEET Physics Standing Waves MCQ Question
Which of the following statements about the behavior of waves is correct?
A wave reflected at a rigid boundary undergoes a phase reversal.
Sound waves in air propagate by compressing and expanding regions of air.
Standing waves are formed by two waves moving in the same direction.
An open boundary reflection occurs with a phase change.
Correct Answer
Detailed Explanation
A wave reflected at a rigid boundary indeed undergoes a phase reversal, while sound waves in air compress and expand the medium. Standing waves require two waves moving in opposite directions, and an open boundary reflection does not involve a phase change.
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