Determine is the area of the suns image on the paper

Reference no: EM13657071

A camper is trying to start a fire by focusing sunlight onto a piece of paper. The diameter of the sun is 1.39x10⁹ m, and its mean distance from the earth is 1.50x10¹¹ m. The camper is using a converging lens whose focal length is 10.1cm.

(a) Determine is the area of the sun's image on the paper?

(b) If 0.728 W of sunlight pass through the lens, what is the intensity of the sunlight at the paper?

Reference no: EM13657071

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