A light ray is incident on the surface of water n 133 at an
A light ray is incident on the surface of water (n= 1.33) at an angle of 60° relative to the normal to the surface. The angle of the refracted wave is
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a sinusoidal wave travels in the positive x direction with amplitude of 150 cm a wavelength of 400 cm and a frequency
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starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 360 ms
a light ray is incident on the surface of water n 133 at an angle of 60deg relative to the normal to the surface the
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