Question

1.
State the differences between virtual and Real image.
Does the focal length of a spherical mirror changes when it is co
2​

Answer 1

A real image and a virtual image are different forms of image. The main difference between real and virtual images lies in the way in which they are produced. A real image is formed when rays converge, whereas a virtual image occurs where rays only appear to diverge.

Answer 2

Answer :

1) differences between virtual and real image.

virtual image:

• A virtual image is formed when two rays appears to be diverge
• A virtual image cannot be taken on screen
• a virtual image is always erect
• plane, concave, convex mirror form virtual image
• virtual images appear to be on lens or the mirror itself..

Real image :

• A real image formed when two rays appears to be converge
• A real image can be taken on screen
• a real image is inverted
• real images are formed by concave mirror
• convex lenses form real images