What is one use for a concave lens?

What is concave lens used for?

A concave lens is used to diverge incident rays. This helps to create a virtual image on the opposite side of the refracting surface. Hence, these lenses are used in binoculars, telescopes, cameras, flashlights and eyeglasses.

What are the uses of convex lens and concave lens?

Concave lenses are used for correcting myopia or short-sightedness.

Uses of Convex Lenses

  • Uses in spectacles to correct the defect of vision called hypermetropia or long sightedness.
  • Used for making a simple camera.
  • Used as magnifying glasses.
  • Used in microscopes, telescopes, film projectors, etc.

What are 2 examples of a concave lens?

There are many examples of concave lenses in real-life applications.

  • Binoculars and telescopes.
  • Eye Glasses to correct nearsightedness.
  • Cameras.
  • Flashlights.
  • Lasers (CD, DVD players for example).

What are the types of concave lens?

Biconcave – A lens in which both sides are concave is biconcave. Biconcave lenses are diverging lenses. Plano-concave – A lens in which one side is concave and the other is plano. Plano-concave lenses are diverging lenses.

What is difference between concave and convex lens?

A convex lens is thicker at the centre and thinner at the edges. A concave lens is thicker at the edges and thinner at the centre. Due to the converging rays, it is called a converging lens.

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What is a real life examples of a concave mirror?

Concave mirrors are used in headlights and torches. The shaving mirrors are also concave in nature since these mirrors can produce enlarged clear images. Doctors use concave mirrors as head mirrors to have a clearer view of eyes, noses, and ears. The dental mirrors used by dentists are also concave.

What is concave mirror with example?

Concave mirror v/s convex mirror

Concave mirror Convex Mirror
The examples of concave mirrors are the mirrors used in automobile head lights, reflecting telescopes, torch lights, etc. The examples of convex mirrors are the mirrors used as rear side mirrors of vehicles, optical instruments, calling bell, etc.

What are the three uses of lens?

1) They are placed in telescopes and binaculars. 2) They are used in doors as peephole. 3) They are used in flashlights, camera etc.


  • Convex lens is used in microscopes and magnifying glass.
  • Convex lens is used as a camera lens in cameras.
  • The convex mirror is used as side-view mirror.

How do we use magnifying lens in our life?

Where can we see magnifying glasses used in everyday life?


  1. A magnifying glass (called a hand lens in laboratory contexts) is a convex lens that is used to produce a magnified image of an object.
  2. Magnifying glasses are also useful for reading details on maps and for reading the fine print on legal documents.