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marco26
 one year ago
The diameter of the sun subtends an angle approximately 32 min at any point on the earth. Calculate the diameter of the solar image formed by a concave spherical mirror whose radius is 400 cm.
marco26
 one year ago
The diameter of the sun subtends an angle approximately 32 min at any point on the earth. Calculate the diameter of the solar image formed by a concave spherical mirror whose radius is 400 cm.

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VincentLyon.Fr
 one year ago
Best ResponseYou've already chosen the best response.1Draw extreme rays coming from the Sun's perimeter and let them converge in the focal plane of the mirror. Then apply simple trigonometry.
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