Question

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state the uses of concave mirror and concave lens.

and give the diagram of the principal focus of concave mirror and convex mirror​

Answer 1

$\textsf{Uses of Concave mirror :-}$

• A dentist uses uses of concave mirror to see the magnified image of the teeth.

• Headlights of cars have concave reflectors which make the light more focused and brighter.

• Doctors use concave mirrors to examine ears,nose and throat.

• Reflectors in flashlight,torches and search lights are concave mirrors.

• A concave mirror is also used as makeup or shaving mirror.

$\textsf{Uses Concave lens :-}$

•Concave lens are used in projectors to diversity incident ways.

• They are used to correct short sightedness.

Diagram in the attachment.