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प्रश्न
Define the following term:
spherical mirror
उत्तर
“A mirror which is made from a part of a hollow sphere is called Spherical Mirror.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- aperture
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
Name the two kinds of spherical mirrors and distinguish between them.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
Draw a ray diagram in each of the following cases to show the formation of image, when the object is placed :
(i) between the optical centre and principal focus of a convex lens.
(ii) anywhere in front of a concave lens.
(iii) at 2F of a convex lens.
State the signs and values of magnifications in the above-mentioned cases (i) and (ii).
Explain why a ray of light passing through the center of curvature of a concave mirror, gets reflected along with the same pattern.
