Advertisements
Advertisements
प्रश्न
Define the term Aperture.
Advertisements
उत्तर
Aperture is the distance between the extreme points on the periphery of the mirror.
APPEARS IN
संबंधित प्रश्न
Define the Focal length of a spherical mirror
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
Name the mirrors shown in Figure (a) and (b).
Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ?
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it. Find:
- the focal length of the mirror
- position of image
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the term Principle focus.
The image formed in a plane mirror is always inverted.
