Single Answer MCQ
Q-00106614

The object distance of an object placed in front of a convex mirror is given as +30 cm. How do you classify this situation?

1

Correct sign convention

2

Incorrect sign convention

3

Image distance negative

4

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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