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Question
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
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Solution
Radius of curvature = 2 × focal length
Or, R = 2f = 2 × 10 = 20 cm
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RELATED QUESTIONS
Match the items given in Column I with one or more items of Column II.
| Column I | Column II | ||
| (a) | A plane mirror | (i) | Used as a magnifying glass. |
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| (d) | A concave mirror | (iv) | The image is always inverted and magnified. |
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| (vi) | The image is erect and smaller in size than the object. |
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