Question
Distinguish between real and virtual images.
✓
Answer
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 |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The distance-time values for an object moving along straight line are given below:
→| Time (s) | Distance (m) |
| $0$ | $0$ |
| $1$ | $1$ |
| $2$ | $8$ |
| $3$ | $27$ |
What is meant by zero error of vernier callipers ? How is it determined? Draw neat diagrams to explain it. How is it taken in account to get the correct measurement?
An object is kept at 60 cm in front of a plane mirror. If the mirror is now moved 25 cm away from the object, how does the image shift from its previous position?
A solid weighs 32 gf in air and 28.8 gf in water. Find: (i) The volume of solid, (ii) R.D. of solid and (iii) The weight of solid in a liquid of density $0.9 g cm ^{-3}$.
→A solid body weighs 2.10 N . in air. Its relative density is 8.4 . How much will the body weigh if placed
(1) in water,
(2) in liquid of relative density 1.2 ?
(1) in water,
(2) in liquid of relative density 1.2 ?
Describe various methods of magnetising a piece of iron.
An object forms a virtual image which is $1 / 8$ th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
1. the position of the image
2. the focal length of the convex mirror.
→1. the position of the image
2. the focal length of the convex mirror.
How will you find the volume of a lump of salt or sugar using a graduated cylinder?
In figure for vernier callipers, calculate the length recorded.
Explain how geothermal energy is used in generating electricity.