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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.
Related Questions: - A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- Kirchoff’s I law and II laws of electricity prove respectively the
- Two vessels separately contain two ideal gases A and B at the same temperature,
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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