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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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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
- The magnetic susceptibility of a material of a rod is 299. Permeability of vacuum
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- A spherical drop of capacitance 1μF is broken into eight drops of equal radius.
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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