The object distance of an object placed in front of a convex mirror is given as +30 cm. How do you classify this situation?
Correct sign convention
Incorrect sign convention
Image distance negative
Focal length negative
Answer and Solution
Answer
B. Incorrect sign convention
Solution:
In a convex mirror, the object distance should always be negative as per the convention, so a positive 30 cm indicates an incorrect application of the sign convention.
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