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What is the difference between Concave …

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What is the difference between Concave mirror and Convex mirror?
  • 2 answers

Aditya Thombare 5 years, 2 months ago

Kfyti

Yogita Ingle 5 years, 2 months ago

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1 Meaning and Other Names
  • Concave means rounded or hollowed like the interior of a circle or sphere
  • Also called as a converging mirror.
  • Convex means rounded or curved like the exterior of a circle or sphere.
  • Also called as a fish eye or diverging mirror.
2 Structure
  • The mirror coating of the concave mirror is on the outside of the spherical surface.
  • In concave mirrors, the centre of curvature and the reflecting surface fall on the same side of the mirror.
  • The mirror coating of the convex mirror is on the inside of the spherical surface.
  • In convex mirrors, the centre of curvature and the reflecting surface fall on the opposite side of the mirror.
3 Position of the Focus
  • Focus lies in front of the mirror i.e. focal length, is positive.
  • The focus lies behind the mirror i.e. focal length is negative.
4 Image Properties
  • The image formed by a concave mirror is real, inverted and enlarged (except when the object is between P and F where the image is virtual, erect and enlarged).
  • The image formed by a convex mirror is virtual, erect and diminished.
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