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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The mean free path of electrons in a metal is 4 x 10⁻⁸ m. The electric field
- The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- A body of mass 3 kg is under a constant force which cause a displacement
- The emission line of Lyman corresponds to the absorption line in laboratory temperature
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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