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प्रश्न
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 |
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संबंधित प्रश्न
We can obtain an enlarged and erect image by a convex mirror.
Give one use each of a concave and a convex mirror.
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
The spherical mirror used in a beauty parlour as make-up mirror is _______.
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
