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प्रश्न
When a body vibrates under a periodic force, the vibrations of the body are ______.
पर्याय
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
The adjacent diagram shows three different modes of vibrations P, Q and R of the same string.
(i) Which vibration will produce a louder sound and why?
(ii) The sound of which string will have maximum shrillness?
(iii) State the ratio of wavelengths of P and R.
Distinguish between the free (or natural) and forced vibrations.
Differentiate between the following:
Free and forced vibrations.
On keeping the stem of a vibrating tuning fork on the surface of a table, a loud sound is heard. Give reason.
The rearview mirror of a motorbike starts vibrating violently at some particular speed of the motorbike. What is the name of the phenomenon taking place? Why does the happen?
Explain why does the rear mirror of a motorbike start Vibrating Violently, at some particular speed of motorbike?
Explain a tuning fork (vibrating) is held close to ear. One hears a faint sound. The same vibrating tuning fork is placed on table, such that its handle is in contact with table, one hears a loud sound.
A vibrating tuning fork is placed over the mouth of a burette filled with water. The tap is opened and the water level gradually falls. It is observed that the sound becomes the loudest for a particular length of the air column. What is the name of the phenomenon taking place when this happens? Why does the sound become the loudest?
What do you understand by free (or natural) vibrations?
