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Questions >> JEEMAIN and NEET >> Physics >> Class11 >> Waves

The displacement $y$ of a particle in a medium can be expressed as $y = 10^{-6} \sin \bigg(100t + 20x + \large\frac{\pi}{4}\bigg)m$ , where $t$ is in second and $x$ is in metre. The speed of the wave is

answered Feb 28, 2014 by thanvigandhi_1

1 answer

A wave travelling along the $x$ - axis is described by the equation $y(x,t) = 0.005\: \cos(\alpha x - \beta t)$ . If the wavelength and time period of the wave are $0.08 \: m$ and $2\: s$ , respectively, then $\alpha$ and $\beta$ in appropriate units are

answered Feb 28, 2014 by thanvigandhi_1

1 answer

The displacement $y$ of a wave travelling in the $x$ - direction is $y = 10^{-4} \sin(600t – 2x + \large\frac{\pi}{3})m$ , where, $x$ is in $m$ and $t$ is in $s$ . The speed of the wave motion in $m/s$ is

answered Feb 27, 2014 by thanvigandhi_1

1 answer

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