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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
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