waves

Related Questions

• Velocity of sound is maximum in

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• A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer in Hz is

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• What will be the wave velocity, if the radar gives 54 waves per min and wavelength of the given wave is 10 m

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• Two tuning forks have frequencies 380 and 384 Hz respectively. When they are sounded together, they produce 4 beats. After hearing the maximum sound, how long will it take to hear the minimum sound

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• Two sound waves (expressed in CGS units) given by ${{y}_{1}}=0.3\sin \frac{2\pi }{\lambda }(vt-x)$ and ${{y}_{2}}=0.4\sin \frac{2\pi }{\lambda }(vt-x+\theta )$ interfere. The resultant amplitude at a place where phase difference is $\pi /2$ will be

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