Question

11. A uniform string of length 20 m is suspended
from a rigid support. A short wave pulse is
introduced at its lowest end. It starts moving
up the string. The time taken to reach the
support is (Take, g = 10 ms-2)
(a) 212 s
(b) 2 s
(c) 2v2 s
(d) 2 s​

Answer 1

Answer:

c

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Explanation:

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