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प्रश्न
State one condition for a body to execute free/natural vibrations.
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उत्तर
The free vibrations of a body occur only in vacuum because the presence of medium offer some resistance due to which the amplitude of the vibration does not remain constant, but it continuously decreases.
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संबंधित प्रश्न
State the ways by which the frequency of transverse vibrations of a stretch string can be increased
What do you understand by free vibrations 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).
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.
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.]
Two astronauts cannot hear each other on the moon. Why?
Where can a body execute natural vibrations?
