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प्रश्न
When a body vibrates under a periodic force, the vibrations of the body are ______.
विकल्प
natural vibrations
Damped vibrations
Forced vibrations
Resonant vibrations
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उत्तर
When a body vibrates under a periodic force, the vibrations of the body are forced vibrations.
Explanation:
A body's vibrations that take place under the influence of an external periodic force acting on it are called forced vibrations.
संबंधित प्रश्न
Name the phenomenon involved in tuning your radio set to a particular station and define it.
Two pendulums C and D are suspended from a wire as shown in the figure give below. Pendulum C is made to oscullate by displaying it from its mean position. It is seen that D also starts oscillating.

(i) Name the type of oscillation, C will execute.
(ii) Name the type of oscillation, D will execute.
(iii) If the length of D is made equal to C then what difference will you notice in the oscillations of D ?
(iv) What is the name of the phenomenon when the length of D is made equal to C ?
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