waves

Related Questions

• Speed of sound at constant temperature depends on

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• The relation between time and displacement for two particles is given by ${{y}_{1}}=0.06\sin 2\pi (0.04t+{{\varphi }_{1}})$, ${{y}_{2}}=0.03\sin 2\pi (1.04t+{{\varphi }_{2}})$. The ratio of the intensity of the waves produced by the vibrations of the two particles will be

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• A whistle sends out 256 waves in a second. If the whistle approaches the observer with velocity 1/3 of the velocity of sound in air, the number of waves per second the observer will receive

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• The wavelengths of two waves are 50 and 51 cm respectively. If the temperature of the room is $20^o C$, then what will be the number of beats produced per second by these waves, when the speed of sound at $0^o C$ is 332 m/sec

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• A string is rigidly tied at two ends and its equation of vibration is given by $y=\cos 2\pi \,t\sin \sin \pi x.$ Then minimum length of string is

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