MHT CET · Physics · Waves and Sound
The fundamental frequency of sonometer wire is ' \(n\) '. If the tension and length are increased 3 times and diameter is increased twice, the new frequency will be
- A \(\sqrt{\frac{3}{2}} \mathrm{n}\)
- B \(\frac{\sqrt{3}}{2} n\)
- C \(\frac{\mathrm{n}}{2 \sqrt{3}}\)
- D \(2 \sqrt{3} \mathrm{n}\)
Answer & Solution
Correct Answer
(C) \(\frac{\mathrm{n}}{2 \sqrt{3}}\)
Step-by-step Solution
Detailed explanation
\(n = \frac{1}{2L} \sqrt{\frac{T}{\mu}}\) \(\mu \propto d^2\)
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