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Q: If the magnification of an image from a spherical mirror is -1.38, then the nature of the image will be:
  • A. real, inverted and enlarged
  • B. virtual, erect and enlarged
  • C. real, inverted and smaller
  • D. virtual, erect and smaller
Correct Answer: Option A - Magnification by lens or mirror is the ratio of the size of the image formed by the mirror and size of the object. If magnification is more than one the image is magnified and if it is less than are image is diminished. If magnification is positive the image is erect & Virtual and if it is negative the image is Inverted, enlarged and real.
A. Magnification by lens or mirror is the ratio of the size of the image formed by the mirror and size of the object. If magnification is more than one the image is magnified and if it is less than are image is diminished. If magnification is positive the image is erect & Virtual and if it is negative the image is Inverted, enlarged and real.

Explanations:

Magnification by lens or mirror is the ratio of the size of the image formed by the mirror and size of the object. If magnification is more than one the image is magnified and if it is less than are image is diminished. If magnification is positive the image is erect & Virtual and if it is negative the image is Inverted, enlarged and real.