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प्रश्न
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उत्तर
A body clamped at one point, if disturbed slightly from its position of rest, starts vibrating. The vibrations so produced are called natural vibrations of the body. The natural period or frequency of such vibrations is called the frequency of vibration in a body.
This frequency depends on the factor:
- shape of the body.
- and size of the body.
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संबंधित प्रश्न
Give one reason for Ultrasonic waves use for echo depth sounding purpose.
What do you understand by free vibrations of a body?
What is meant by the natural frequency of vibration of a body?
On What factors does the natural frequency of vibration of a body depend?
- Name one factor on which the frequency of sound emitted due to vibrations in an air column depends.
- How does the frequency depend on the factor stated in part (a).
A blade, fixed at one end, is made to vibrate by pressing its other end and then releasing it. State one way in which the frequency of vibrations of the blade can be lowered.
Define the term Amplitude.
Explain why does a wine glass starts rattling, when a note of some particular frequency is struck by a piano?
(a) Which one of the following graphs A or B shows free vibrations in a vacuum and which one shows free vibrations in a medium?
(b) How did you come to this conclusion.
