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A string is taken and stretched so that it elongates by 2% . Then its fundamental frequencyA. Increase by 2%B. Increase by 1%C. Decrease by 2%D. Decrease by 1%

Answer» Correct Answer - C
`n_2/n_1 = l_1/l_2`
`therefore n_2 = 100/102 n_1 = 98% n_1` = decreases by 2%


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