waves

Related Questions

• The equation of a sound wave is $y=0.0015\sin (62.4x+316\,t)$.The wavelength of this wave is

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• A small source of sound moves on a circle as shown in the figure and an observer is standing on $O$. Let ${{n}_{1}},\ {{n}_{2}}$ and ${{n}_{3}}$be the frequencies heard when the source is at $A,\ B$ and $C$ respectively. Then

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

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• A steel rod 100 cm long is clamped at its mid-point. The funda-mental frequency of longitudinal vibrations of the rod is given to be 2.53 kHz. What is the speed of sound in steel

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• Progressive wave of sound is represented by $y=a\sin [400\pi \,t-\pi x/6.85]$ where $x$ is in $m$ and $t$ is in sec. Frequency of the wave will be

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