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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
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
What do you mean by the term dispersion?
Name the kind of mirror used to obtain :
A real and enlarged image
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Define focal length.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
In torches, search lights and headlights of vehicles the bulb is placed ______.
