Question

write the uses of concave mirror​??​

Answer 1

Answer:

1. Concave Mirrors are used in the vehicles headlights
2. Concave Mirrors are used in the shaving mirrors
3. Concave Mirrors are used in the solar furnances

Answer 2

Answer:

The uses of a concave mirror are:

(i) In torches and headlights: The source of light is placed at the focus to obtain a parallel beam of light.

(ii) In floodlights: The source of light is placed just beyond the center of curvature so as to get an intense beam of light.

(iii) Reflecting mirrors for projector lamps: The object is placed at the center of curvature to obtain an image of the same size.

1. To collect heat radiations in solar devices: Heat radiations from the sum coming from infinity are brought to focus by a concave mirror in its focal plane.

2. Shaving mirror, dentist's mirror: It produces an erect virtual and highly magnified image of an object placed between its pole and focus.

vi. Solar furnaces: Large concave mirrors are used to concentrate sunlight to produce heat in a solar furnace.