A broadcasting station transmits waves with a frequency of 71 x 104 Hz and a speed of 3 x 108 m/s. The wavelength of the wave is
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A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/sq.s) is:
Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s
While watching 3D movies at the theater, we have to wear special glasses because?
If a ball is thrown up, which of the following does not change?
An example of longitudinal waves (in gas as a medium) is ______.
During the night, the direction of the wind would be from the __________________.
What is the unit of resistance?
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