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प्रश्न
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
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उत्तर
(a)
(b)
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
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?
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
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.
The magnification for a mirror is -3. How are u and v related?
The spherical mirror used as a rear view mirror in the vehicle is
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
