Waves · Physics · KCET
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KCET 2024
A motor-cyclist moving towards a huge cliff with a speed of $18 \mathrm{kmh}^{-1}$, blows a horn of source frequency 325 Hz . If the speed of the soun...
KCET 2024
A galaxy is moving away from the Earth so that a spectral line at 600 nm is observed at 601 nm . Then, the speed of the galaxy with respect to the Ear...
KCET 2021
To propagate both longitudinal and transverse waves, a material must have
KCET 2020
A train whistling at constant frequency $$n$$ is moving towards a station at a constant speed $$v$$. The train goes past a stationary observer on the ...
KCET 2019
The equation of a stationary wave is $$y=2 \sin \left(\frac{\pi x}{15}\right) \cos (48 \pi t)$$. The distance between a node and its next antinode is...