Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
difference between real and virtual images.
| Real images | Virtual images |
| it can be obtained on a screen | It can't be obtained on a screen |
| it is inverted (upside down with respect to the object) | It is erect with respect to the object |
| It is formed when two or more reflected rays intersect each other at a point in front of the mirror | It is formed when two or more reflected rays appear to intersect at a point behind the mirror |
APPEARS IN
संबंधित प्रश्न
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror of convex mirror)? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
Which are the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain with the help of suitable ray diagrams.
Three mirrors are created from a single sphere. Which of the following - pole, centre of curvature, radius of curvature, principal axis - will be common to them and which will not be common?
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Define the following term in relation to concave mirror.
Principal axis
Spherical mirrors are one form of ______ mirrors.
