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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
What are forced vibrations?
Why is a loud sound heard at resonance?
Differentiate between the following:
Radio waves and light waves.
Give two examples of forced vibrations.
When acoustic resonance takes place, a loud sound is heard. Why does this happen? Explain.
Explain why does the rear mirror of a motorbike start Vibrating Violently, at some particular speed of motorbike?
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?
A string stretched between its ends is made to vibrate by placing the stem of a vibrating tuning fork at its one end. State three ways how you will increase the frequency of note produced by the string.
What do you understand by forced vibrations?
What do you understand by free vibrations of a body? Draw a displacement-time graph to represent them. Given one example.
