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The magnification produced by a spherical mirror is -0.5. The image formed by the mirror is?

Areal. inverted and diminished

Breal, inverted and enlarged

Cvirtual, erect and diminished

Dvirtual, erect and enlarged

Answer:

A. real. inverted and diminished

Read Explanation:

  • A negative magnification indicates a real and inverted image, and a value less than1 indicates it is diminished.

  • If the magnification is positive the image formed is erect and virtual and if it is negative the image formed is real and inverted.

  • Here the magnification is -1.38 which is less than 1 so the image is diminished and enlarged , as the value is negative the image formed is real and inverted.


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A spherical mirror converges a beam of light, at a given point on the principal axis. Which of the following statement(s) about the mirror is are true?

  1. (a) The mirror used in concave
  2. (b) The mirror has positive focal length
  3. (c) The point of convergence is the principal focus of the mirror
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