Physics-Standing Waves

NEET Physics Standing Waves MCQ Question

Type: MCQ-diagram based-Medium-Class 11

Consider a string with one end tied to a freely moving ring on a horizontal rod. The diagram shows a wave traveling towards this non-rigid boundary. What happens to the phase of the wave upon reflection?

Question diagram
A

The phase remains unchanged.

B

The phase changes by π radians.

C

The phase changes by π/2 radians.

D

The phase is reversed.

Correct Answer

Option A

Detailed Explanation

At a non-rigid boundary, such as a string tied to a freely moving ring, the reflected wave has the same phase as the incident wave.

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