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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
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.
Why are the Ultrasonic waves are not audible to us?
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).
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.]
Define the term Amplitude.
Explain why strings of different thicknesses are provided on a stringed instrument.
