At what position will an object be placed in front of a concave mirror in…

Physics JAMB 2003

At what position will an object be placed in front of a concave mirror in order to obtain an image at infinity?

  • At the pole of the mirror
  • At the principal focus checkmark
  • at the center of the curvature
  • Between the principal focus and the center of curvature

The correct answer is: B

Explanation

For a concave mirror to produce an image at infinity, the image has to be place at the principal focus of the mirror
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