The sun subtends an angle half a degree ...

The sun subtends an angle half a degree at the pole of a concave mirror which has a radius of curvature of 15 m. Then the size (diameter) of the image of sun formed by the convace mirror is

A

8.55 cm

B

7.55 cm

C

6.55 cm

D

5.55 cm

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The correct Answer is:

C

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