Question

a real image cannot be obtained on a screen . why ???​

Answer 1

Answer:

Step-by-step explanation:

When an image cannot be obtained on a screen, it is called a virtual image. The image formed by a plane mirror is virtual, because the image cannot be obtained on a screen when placed either in front of the mirror or behind it. Question 7: State two differences between a convex and a concave lens.

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Answer 2

It is wrong real image can obtained on screen and virtual object cannot be obtained on screen.