Multiple choice question for engineering Set 1 1. When the length of the vibrating segment of a sonometer wire is increased by 1%, the percentage change in its frequency is a) 100/101 b) 99/100 c) 1 d) 2 AnswerAnswer: c [Reason:] v=1/2L×√(T/m) For constant T and m, ∆v/v×100=∆L/L×100=1% Frequency will decrease by 1% 2. In…
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