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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If a ball is thrown up, which of the following does not change?
For which one of the following, 'Diodes' are generally used for?
When a ray of light travels from a denser medium to a rarer medium, it bends
What is the unit of resistance?
Calculate the pressure (in Pa) if a thrust of 600 N is applied to an area of 24 sq.m.
Which one among the following is not an electromagnetic wave?
____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.
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