Advertisements
Advertisements
प्रश्न
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Advertisements
उत्तर
A light ray coming from a point on object AB is reflected from the surface of the mirror, it passes through the principal focus and the other ray passing through the center of curvature strikes the mirror normally i.e. 90 degrees. Hence it will reflect back. These two reflected rays coincide at a point where the image is formed. The image, A'B' is real, inverted, and diminished in size.
APPEARS IN
संबंधित प्रश्न
An image formed by a ______ mirror is always of the same size as that of the object.
Name the spherical mirror which can produce a real and diminished image of an object.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the following term in relation to concave mirror.
Principal focus
AB is the object, A'B' is the image, and MM' is the position of the mirror. Complete the ray diagram showing the formation of the image and find the focal length of the mirror.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
