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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.
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संबंधित प्रश्न
State the ways by which the frequency of transverse vibrations of a stretch string can be increased
Give one reason for Ultrasonic waves use for echo depth sounding purpose.
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?
State one condition for a body to execute free/natural vibrations.
- 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).
Explain why strings of different thicknesses are provided on a stringed instrument.
[Hint: Natural frequency of vibration of a stretched string is inversely proportional to the radius (or thickness) of string so notes of different frequencies can be produces by vibrating different strings.]
Explain why strings of different thicknesses are provided on a stringed instrument.
Where can a body execute natural vibrations?
