Question

uses of concave mirror , convex mirror, concave lens and convex lens

Answer 1

uses of concave mirrors:-
i. in torches, search lights, and vehicles headlights.
ii. often used as shaving mirrors.
iii. used by dentists.
iv. used in solar furnace to accomodate light.
uses of convex lens:-
i. rear-view mirrors in vehicles.
uses of concave lens:-

Answer 2

Concave mirror:
Torches, vehicles headlights.
Convex mirror:
Side view mirror in vehicles to get rear view.
This enables the driver to see the traffic behind him
Concave lens:
It is used to correct hypermetropia
Convex lens:
It is used to correct myopia