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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 transformer having efficiency of 90% is working on 200 V and 3kW power supply
- Charge Q is divided into two parts which are then kept some distance apart. The force
- A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest
- Eight drops of a liquid of density ρ and each of radius a are falling through air
- The decay constant of a radio isotope is λ. If A₁ and A₂ are its activities at time
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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