HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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Distinguish Between Forced Vibrations and Resonance. - HSC Science (Computer Science) 12th Board Exam - Physics

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Question

Distinguish between forced vibrations and resonance.

Solution

 

Sr.
No.
Forced vibrations Resonance
1 It is produced by an external periodic force of any frequency. It is produced by an external periodic force
whose frequency is equal to the natural
frequency of the body
2 The frequency of vibrations is
different from the natural frequency of the body
The frequency of vibrations is sa me as the natural frequency of the body.
3 The amplitude of vibration is small. The amplitude of vibration is very large.
4 Vibrations stop as soon as the
external force is removed.
Vibrations continue for some time even after the external force is removed
5 Faint sound is produced.  Loud sound is produced.

Mode of vibration of a stretched string in second harmonic:

Mode of vibration of a stretched string in third harmonic:

  Is there an error in this question or solution?

APPEARS IN

 2013-2014 (October) (with solutions)
Question 4.1 | 7.00 marks

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Solution Distinguish Between Forced Vibrations and Resonance. Concept: Free and Forced Vibrations.
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