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प्रश्न
What is a spherical mirror?
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उत्तर
Spherical mirror. “A mirror which is made from a part of a hollow sphere is called SPHERICAL MIRROR.
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संबंधित प्रश्न
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
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.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
State two uses of a concave mirror.
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it. Find:
- the focal length of the mirror
- position of image
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
What do you understand by the term real image?
