waves

Related Questions

• The following phenomenon cannot be observed for sound waves

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• Equation of a progressive wave is given by $y=0.2\cos \pi \left( 0.04t+.02x-\frac{\pi }{6} \right)$. The distance is expressed in cm and time in second. What will be the minimum distance between two particles having the phase difference of $\pi /2$

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• A source of sound of frequency 90 vibrations/ sec is approaching a stationary observer with a speed equal to 1/10 the speed of sound. What will be the frequency heard by the observer

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• The particles of a medium vibrate about their mean positions whenever a wave travels through that medium. The phase difference between the vibrations of two such particles

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• A string is producing transverse vibration whose equation is $y=0.021\ \sin (x+30t)$, Where x and y are in meters and $t$ is in seconds. If the linear density of the string is $1.3\times {{10}^{-4}}$kg/m, then the tension in the string in $N$ will be

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