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संबंधित प्रश्न
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.
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Name the spherical mirror which can produce a real and diminished image of an object.
Name the spherical mirror which can produce a virtual and diminished image of an object.
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.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
The image formed by a convex mirror is
A real and enlarged image can be obtained by using a
An object of height 2 cm is placed at a distance of 20 cm in front of a concave mirror of a focal length of 12 cm. Find the position, size, and nature of the image.
