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प्रश्न
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.
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उत्तर
The inherent mass of the blade can be increased by lengthening it or by placing a small weight on the blade's free end.
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संबंधित प्रश्न
Draw a graph between displacement and the time for a body executing free/natural vibrations.
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?
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).
State two ways of increasing the frequency of vibrations of a stretched string.
Two astronauts cannot hear each other on the moon. Why?
(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.
Where can a body execute natural vibrations?
