A sharp bright spot is formed on screen when sunlight falls on a concave
mirror. This spot is due to-
a) Reflection of light
b) Refraction of light
c) Both a and b
d) None of these
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0
Answer:
Both a and b
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2
Answer:
The sharp bright spot is due to refraction of sunlight from convex lens. It represents the image of the sun. The distance of paper screen from the lens is called focal length of convex lens. The image of the sun is always real as it is obtained on the screen.
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