Advertisements
Advertisements
प्रश्न
Name the two kinds of spherical mirrors and distinguish between them.
Advertisements
उत्तर
Two kinds of spherical mirrors are concave and convex.
Distinction between concave and convex mirror: A concave mirror's bulging surface is silvered and reflection takes place from the hollow surface but a convex mirror's inner surface is silvered and reflection takes place from the bulging surface.
APPEARS IN
संबंधित प्रश्न
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
At which point of the spherical mirror the carbon paper is placed?
What is a spherical mirror?
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.
(A) Convex mirror of focal length 12 cm
(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
The image formed by a convex mirror is
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
Draw a ray diagram to show that a convex mirror has a wider field of view.
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
