According to the "New Cartesian Sign Convention" for mirros, when sigh has been given to the focal length of :
(i) a concave mirror ?
(ii) a convex mirror ?
Answers
Answered by
1
Answer:
- A concave mirror has - sign for focal length
- A convex mirror has + sign for focal length
Answered by
1
Answer:
if we measure in direction of light then sign is positive
otherwise negative
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