A wire of length 30 cm, stretched between rigid supports, has it's nth and (n + 1)th harmonics at 400 Hz and 450 Hz, respectively. If tension in the string is 2700 N, it's linear mass density is ____________ kg/m.
Answer (integer)
3
Solution
<p>${v \over {2l}} = 50$ Hz</p>
<p>$$ \Rightarrow T = {\left[ {100 \times \left( {{{30} \over {100}}} \right)} \right]^2} \times \mu $$</p>
<p>$\Rightarrow \mu = {{2700} \over {900}} = 3$</p>
About this question
Subject: Physics · Chapter: Waves · Topic: Wave Motion and Types
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