![Focal length of plane mirror is](https://www.gkseries.com/blog/wp-content/uploads/2022/05/Focal-length-of-plane-mirror-is.png)
Q. Focal length of plane mirror is
A. At infinity
B. Zero
C. Negative
D. None of these
Answer: At infinity
A. At infinity
B. Zero
C. Negative
D. None of these
Answer: At infinity
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