Single Answer MCQ
Q-00106617
If a concave mirror produces a virtual image, which of the following must be true about the object distance?
1
Object distance must be positive
2
Object distance must be negative
3
Object must be at the focal point
4
None of the above
Answer and Solution
Answer
B. Object distance must be negative
Solution:
For a virtual image in a concave mirror, the object must be placed within the focal length, resulting in a negative object distance per the sign convention.
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