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(a) Concave mirror as well as convex lens
(a) both are concave
(d)180-2θ
(c) larger
(c) dioptre
Which of the following can make a parallel beam of light when light from a point source is incident on it?
(a) Concave mirror as well as convex lens
(a) Concave mirror as well as convex lens
See lessA spherical minor and a thin spherical lens have each a focal length of -15 cm. The mirror and the lens are likely to be:
(a) both are concave
(a) both are concave
See lessThe angular deviation (θ) associated with a ray of light falling on a spherical mirror is…………..
(d)180-2θ
(d)180-2θ
See lessConvex mirrors have………….lens is field of view in comparison to concave mirrors.
(c) larger
(c) larger
See lessThe SI unit of power of a lens is……………..
(c) dioptre
(c) dioptre
See less