String of length L whose one end is x = 0 vibrates according to the relations given in column-I. Select matching entries from column-lI including nodes or antinodes at the end points of string.

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a→p, b→r, c→s, d→q

a→p, b→r, c→q, d→s

a→p, b→q, c→r, d→s

a→s, b→r, c→q, d→p

answer is B.

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Detailed Solution

(a) K=2πλ=πL⇒λ2=L (b) (c) K=2πλ=2πL⇒λ=L(d)

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