waves

Related Questions

• A point source emits sound equally in all directions in a non-absorbing medium, Two points P and Q are at distance of 2m and 3m respectively from the source. The ratio of the intensities of the waves at P and Q is

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• Doppler shift in frequency does not depend upon

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• The equation of progressive wave is $y=0.2\sin 2\pi \left[ \frac{t}{0.01}-\frac{x}{0.3} \right]$, where $x$ and $y$ are in metre and $t$ is in second. The velocity of propagation of the wave is

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• In a resonance tube the first resonance with a tuning fork occurs at 16 cm and second at 49 cm. If the velocity of sound is 330 m/s, the frequency of tuning fork is

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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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