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Q: What is formula of mirror?
  • A. 1/f + 1 / u = 1 /v
  • B. 1/ f + 1/ v = 1/ u
  • C. 1/ u +1/ v = 1 /f
  • D. 1/ u–1/v = 1 /f
Correct Answer: Option C - The mirror formula is 1 / u + 1 / v = 1 /f. Where u is the distance of the object from the pole of the mirror, v is the distance of the image from the pole of mirror and f is the focal length of the mirror.
C. The mirror formula is 1 / u + 1 / v = 1 /f. Where u is the distance of the object from the pole of the mirror, v is the distance of the image from the pole of mirror and f is the focal length of the mirror.

Explanations:

The mirror formula is 1 / u + 1 / v = 1 /f. Where u is the distance of the object from the pole of the mirror, v is the distance of the image from the pole of mirror and f is the focal length of the mirror.