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The tension in a piano wire is 10 N. What should be the tension in the wire to produce a note of double the frequency?
Options
(a) 5 N
(b) 20 N
(c) 40 N
(d) 80 N
Correct Answer:
40 N
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- A uniform electric field and uniform magnetic field are acting along the same
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- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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