Advertisements
Advertisements
प्रश्न
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
Advertisements
उत्तर
This spherical mirror will diverge the light rays.
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal focus
Explain the following term related to spherical lenses:- aperture
An image that cannot be obtained on a screen is called ______.
We can obtain a real, enlarged and inverted image by a concave mirror.
Define the Focal length of a spherical mirror
What kind of mirror is required for obtaining a virtual image of the same size as the object?
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.
What name is given to the distance between spherical mirror and carbon paper?
If a spherical mirror breaks, what type of mirrors are the individual pieces?
Name the two kinds of spherical mirrors and distinguish between them.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
An object of height 2 cm is placed at a distance of 20 cm in front of a concave mirror of a focal length of 12 cm. Find the position, size, and nature of the image.
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
