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A laser beam after reflection from moon surface returns to earth after 2.6sec. Find the distance from the surface of earth.​

Answer» EXPLANATION:= VT SPEED of light = 3 * 10^8 m/s S= vt/2 because 2.6 is both SIDE time S= (3*10^8)2.6/2 S= 1.3(3*10^8) S= 3.9*10^8 m


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