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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
- An electron moving in a uniform magnetic field of induction of intensity B,
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
- The drift speed of electrons in copper wire of diameter and length l is v.
- In a LCR series circuit, the potential difference between the terminals of the inductor
- A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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