Q: A concave mirror of focal length f produces a real image at a distance v from the pole, when an object is kept at the distance u from the pole. Here, focal length of the given mirror is:
A.
(u + v)/(u v)
B.
(1/u) – (1/v)
C.
(u v)/(u + v)
D.
(1/ v) – (1/u)
Correct Answer:
Option C -
Explanations:
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