Tag: oscillations
Questions Related to oscillations
Destruction of buildings during an earthquake is an example of:
Which of the following shows mechanical resonance?
Which of the following shows acoustic resonance?
Pushing a person in a swing is a common example of which type of resonance?
Three simple harmonic motions in the same direction having the same amplitude a and same period are superposed. If each differs in phase from the next by $45^o$, then.
The amplitude of damped oscillator becomes $\dfrac{1}{3}$ in $2\ s$. Its amplitude after $6\ s$ is $1/n$ times the original. The value of $n$ is ?
A cylindrical tube,open at one end and closed at the other,is acoustic unison with an external source of frequency held at the open end of the tube, in its fundamental note. Then:
For a certain organ pipe open at both ends, the successive resonance frequencies are obtained at $510, 680$ and $850\ Hz$. The velocity of sound in air is $340\ m/s$. The length of the pipe must be:
Suggest one way by which rattling sound could be stopped.
Some opera singers are able to use their voice to shatter a crystal glass. Which of the phenomenon is used to explain this ?