waves

Related Questions

• What is the base frequency if a pipe gives notes of frequencies 425, 255 and 595 and decide whether it is closed at one end or open at both ends

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• A plane wave is described by the equation $y=3\cos \left( \frac{x}{4}-10t-\frac{\pi }{2} \right)$. The maximum velocity of the particles of the medium due to this wave is

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• A wave travelling in positive X-direction with $A=0.2m$ has a velocity of 360 m/sec. if $\lambda =60m,$ then correct expression for the wave is

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• A car sounding a horn of frequency 1000 Hz passes an observer. The ratio of frequencies of the horn noted by the observer before and after passing of the car is $11 : 9$. If the speed of sound is $v$, the speed of the car is

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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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