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23-01-2024
Physics

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A wave of frequency 100 Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10 cm from the fixed end. The speed of the wave (incident and reflected) is
(A) 20 m/s
(B) 40 m/s
(C) 5 m/s
(D) 10 m/s

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