waves

Related Questions

• The frequencies of two sound sources are 256 Hz and 260 Hz. At t = 0, the intensity of sound is maximum. Then the phase difference at the time t = 1/16 sec will be

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• A table is revolving on its axis at 5 revolutions per second. A sound source of frequency 1000 Hz is fixed on the table at 70 cm from the axis. The minimum frequency heard by a listener standing at a distance from the table will be (speed of sound = 352 m/s)

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• The displacement of the interfering light waves are ${{y}_{1}}=4\sin \omega \,t$ and ${{y}_{2}}=3\sin \left( \omega \,t+\frac{\pi }{2} \right)$. What is the amplitude of the resultant wave

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• Two perfectly identical wires are in unison. When the tension in one wire is increased by 1%, then on sounding them together 3 beats are heard in 2 sec. The initial frequency of each wire is :

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• A medium can carry a longitudinal wave because it has the property of

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