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प्रश्न
What do you understand by free vibrations of a body?
What do you understand by free vibrations of a body? Give one example.
What do you understand by natural vibrations of a body? Give one example.
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उत्तर १
Free vibrations are produced when a body is disturbed from its equilibrium position and released.
उत्तर २
The vibrations of a body in the absence of any external force on it are called free/natural vibrations.
For example, when we strike the keys of a piano, various strings are set into vibration at their natural frequencies.
संबंधित प्रश्न
What is meant by the natural frequency of vibration of a body?
State one way of increasing the frequency of a note produced by an air column.
State two ways of increasing the frequency of vibrations of a stretched string.
Define the term Amplitude.
Two astronauts cannot hear each other on the moon. Why?
Explain why does a wine glass starts rattling, when a note of some particular frequency is struck by a piano?
Explain why strings of different thicknesses are provided on a stringed instrument.
(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.
