Challenger App

No.1 PSC Learning App

1M+ Downloads
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.


Related Questions:

4 cm പൊക്കമുള്ള ഒരു വസ്‌തു ഒരു കോൺകേവ് ദർപ്പണത്തിൻ്റെ മുന്നിൽ വയ്ക്കുമ്പോൾ 10 cm പൊക്കമുള്ള പ്രതിബിംബം ഉണ്ടാകുന്നെങ്കിൽ മാഗ്‌നിഫിക്കേഷൻ, _______________________ ആയിരിക്കും.

Which among the following mirror(s) always forms virtual and erect image?

  1. (A) Convex mirror
  2. (B) Plane mirror
  3. (C) Concave mirror
    What is the distance of the principal focus F from the pole P of the spherical mirror called?

    The laws of reflection hold true for which of the following mirror(s)?

    1. (A) Concave mirror
    2. (B) Convex mirror
    3. (C) Plane mirror
      Which glass is used for making lenses and prisms?