waves

Related Questions

• A source of sound emitting a note of frequency 200 Hz moves towards an observer with a velocity v equal to the velocity of sound. If the observer also moves away from the source with the same velocity v, the apparent frequency heard by the observer is

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• A transverse wave is given by $y=A\sin 2\pi \left( \frac{t}{T}-\frac{x}{\lambda } \right)$. The maximum particle velocity is equal to 4 times the wave velocity when

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• If source and observer both are relatively at rest and if speed of sound is increased then frequency heard by observer will

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• $y=a\cos (kx+\omega t)$ superimposes on another wave giving a stationary wave having node at $x = 0$. What is the equation of the other wave

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• In stationary waves all particles between two nodes pass through the mean position

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