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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A p-n-p transistor is used in common emitter mode in an amplifier circuit.
- A block of mass 4 kg is kept on a rough horizontal surface.The coefficient of static
- When light of wavelength 300 nm falls on a photoelectric emitter,
- For a particle in a non-uniform accelerated circular motion correct statement is
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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