State;(a) the difference between plane polarized light and ordinary light;(b) two uses of polaroids.
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2007
A particle is projected at an angle of 30° to the horizontal with a speed of 250 ms\(^{-1}\). Calculate the;(a) total time of flight of the particle;(b) speed of the particle at its maximum height. [ g = 10 ms\(^{-2}\)]…