Question
The radius of curvature of a concave mirror is 10 cm. If I want to capture the image of the sun, at what distance from the pole of the mirror would an image be formed?
Answer: Option B
:
B
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B
Given, Radius of curvature =10 cm
If the object is placed at infinity the image is formed at the focus.
We know the focal length(F) is half the radius of curvature(R).
F=R2
F=102
⟹ F= 5 cm
So the image of the sun is at 5 cm from the pole.
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