Question

Uses of plane mirror!!!!!!!! and concave lens​

Answer 1

Explanation:

Plain Mirror

1. periscopes
2. kaleidoscopes
3. mirror tiles
4. SLR camera

Concave lens

1. Glasses
2. Camera
3. Flashlights
4. Binoculars

Answer 2

$\large\underline\bold\purple{Uses\:of\:plane\:mirror}$

➻ Plane mirror are use to see ourselves. The mirror on our dressing tae and in bathrooms are plane mirrors.

➻ Plane mirror are fixed on the inside walls of certain shops (like jewellery shops) to make them look bigger.

➻ Plane mirror are fixed at blind turns of some busy roads so that drivers can see the vehicles coming from the other side and prevent accidents.

➻ Plane mirrors are used to making Periscopes.

$\large\underline\bold\purple{Uses\:of\:concave\:lens}$

➻ Concave lens are used in spectacles to correct the defect of vision called myopia (or short-sightedness).

➻ Concave lens is used as eye-lens in Galilean telescope.

➻ Concave lenses are used in combination with convex lenses to make high quality lens system for optical instruments.

➻ Concave lens is used in wide-angle spyhole in doors.

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