You decide to construct a solar furnace using a large spherical mirror with a ra

Question

You decide to construct a solar furnace using a large spherical mirror with a radius of curvature of 190 cm. You use a limited portion of the sphere to keep all angles of incidence at 10 degrees and below.

You mount a large, flat, 22 cm-thick polycarbonate window in front of the mirror, normal to the principle axis. The index of refraction of polycarbonate is 1.585. What is the effect of the window on incoming rays of sunlight What is the new location of the focal point compared to its position without the window?

Explanation / Answer

window will be act as obstacle in the path of light. and the sunlight will reflect from window.

focal point will remain in its original position without the window.

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