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A concave mirror forms an image of sun a...

A concave mirror forms an image of sun at a distance of 12 cm from it .

A

The radius of curvature of this mirror is 6 cm

B

To use it as a shaving mirror, it must be held at a distance of 8 - 10 cm from the face

C

If an object is kept at a distance of 12 cm from it, the image formed will be same size as the object

D

All the above .

Text Solution

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The correct Answer is:
B
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