The surface of a concave mirror is pointed towards the sun. Light from the sun hits the mirror and converges to a point. How far is this converging point (otherwise known as the focal point) from the mirror's surface if the radius of curvature (R) of the mirror is 150 cm?
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Answer:
75 cm
Explanation:
As the light hits the mirror it will converge at focus and focus is 1/2 the Radius of curvature.
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