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प्रश्न
Explain why does a wine glass starts rattling, when a note of some particular frequency is struck by a piano?
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उत्तर
When the glass rattles, at that moment, its natural frequency corresponds with the frequency of piano note thus, resonance takes place, which makes the glass vibrate violently.
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?
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State one way of increasing the frequency of a note produced by an air column.
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.]
(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.
