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What type of mirror can be used to obtain the real image of an object?
1. Convex mirror
2. No mirror can produce a real image
3. Plane mirror
4. Concave mirror

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Correct Answer - Option 4 : Concave mirror

The correct answer is Concave mirror.

  •  The concave mirror can be used to obtain the real image of an object.

  • A real image is formed when rays converge i.e. Real images are formed due to the actual intersection of light rays.
  • Virtual images are formed due to the imaginary intersection of light rays.
  • A plane mirror always forms a virtual image.
    • The image and object are the same distance from a flat mirror, the image size is the same as the object size, and the image is upright.

Concave mirror

Convex mirror

Mirror whose reflecting surface is curved inwards.

Mirror whose reflecting surface is curved outwards.

It is also called a converging mirror.

It is also called a diverging mirror.

It has a real focus i.e. the focus lies in front of the mirror.

It has a virtual focus i.e. the focus lies behind the mirror.

The image is real, inverted, and enlarged.

 The image is virtual, erect, and diminished.

The magnification can be greater, equal, or less than 1.

The magnification is always less than 1.

They are used as reflectors in projectors, light-house headlights, searchlights, etc. as they give a magnified image of the objects.

They are used as rear-view mirrors in cars and motorcycles, as they enable the driver/rider to view the large area of roads behind.

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