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The tension in a piano wire is increased by 25%. Its frequency becomes ….. times the original frequency.

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The tension in a piano wire is increased by 25%. Its frequency becomes ….. times the original frequency.

(A) 0.8

(B) 1.12

(C) 1.25

(D) 1.56

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(B) 1.12 

The tension in a piano wire is increased by 25%. Its frequency becomes 1.12 times the original frequency.

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