waves

Related Questions

• Equation of a progressive wave is given by $y=a\,\sin \pi \,\left[ \frac{t}{2}-\frac{x}{4} \right]\,,$ where t is in seconds and x is in meters. The distance through which the wave moves in 8 sec is (in meter)

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• A Siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s, frequency of the sound to be heard by the listener is (take velocity of sound as 330 m/s)

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• The velocity of sound is vs in air. If the density of air is increased to 4 times, then the new velocity of sound will be

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• 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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• In a resonance tube the first resonance with a tuning fork occurs at 16 cm and second at 49 cm. If the velocity of sound is 330 m/s, the frequency of tuning fork is

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