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प्रश्न
Pendulums A, B, C and D are tied to a flexible string PQ and are at rest. Pendulum C is disturbed. Which of the following statements is true?
पर्याय
Only pendulum C will start vibrating.
Pendulums A, B, and D will also start vibrating but A and D will vibrate with the maximum amplitude.
Pendulums A, B, and D will also start vibrating.
Vibrations of pendulum C are forced vibrations.
MCQ
उत्तर
Pendulums A, B, and D will also start vibrating but A and D will vibrate with the maximum amplitude.
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Demonstration of Resonance
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In the given diagram, a vibrating tuning fork is kept near the mouth of a burette filled with water. The length of the air column is adjusted by opening the tap of the burette. At a length of 5 cm of the air column, a loud sound is heard
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