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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
Draw a graph between displacement and the time for a body executing free/natural vibrations.
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?
Explain why strings of different thicknesses are provided on a stringed instrument.
(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?
