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The focal length of the concave mirror i...

The focal length of the concave mirror in the experimental set up, shown alongside, equals :

A

10.3 cm

B

11.0 cm

C

11.7 cm

D

12.2 cm

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The correct Answer is:
B
NA
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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Multiple Choice Questions
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