waves

Related Questions

• The wavelengths of two waves are 50 and 51 cm respectively. If the temperature of the room is $20^o C$, then what will be the number of beats produced per second by these waves, when the speed of sound at $0^o C$ is 332 m/sec

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• The echo of a gun shot is heard 8 sec. after the gun is fired. How far from him is the surface that reflects the sound (velocity of sound in air = 350 m/s)

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• 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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• The equation of the propagating wave is $y=25\sin (20t+5x),$ where $y$ is displacement. Which of the following statement is not true

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• ${{v}_{1}}$ and ${{v}_{2}}$ are the velocities of sound at the same temperature in two monoatomic gases of densities ${{\rho }_{1}}$ and ${{\rho }_{2}}$ respectively. If ${{\rho }_{1}}/{{\rho }_{2}}=\frac{1}{4}$ then the ratio of velocities ${{v}_{1}}$ and ${{v}_{2}}$ will be

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