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Differences between convex and concave mirrors

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Differences between convex and concave mirrors
  • 5 answers

Preeti Dabral 2 years, 10 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 Mirror Shape
3 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.
4 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.
5 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.
6 Image Projection
  • An image can be projected on a screen as they are real.
  • Image cannot be projected on a screen as they are virtual.
7 Usage
  • They are used in reflecting telescopes, shaving mirrors, torchlights, etc. as they give a magnified image of the objects.
  • Convex mirrors are used as side view or rearview mirrors in vehicles as they cover a wider area of view.

Harapriya Tarasia 2 years, 10 months ago

CONCAVE MIRROR Spherical mirror whose inner side is reflecting are called concave mirror CONVEX MIRROR Spherical mirror whose outer side is reflecting are called convex mirror

Mishti Roy 2 years, 10 months ago

Concave mirror- It is kind of spherical mirror whose reflected surface is curved inwards. Eg- headlights, solar cooker, shaving mirror. Convex mirror- It is kind of spherical mirror whose reflected surface is curved outwards Eg- dentist mirror, security mirror, rear view mirror etc.

Armaan Armaan 2 years, 10 months ago

And in convex mirror the light reflects inside its surface. ?

Armaan Armaan 2 years, 10 months ago

In concave mirrors the light reflects on its outersurface. ?
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