wat does vertuall image mean by saying tat CANNOT BE TOUCHED and if real image can be touched then how come in concave mirrors both happens tat is can touch or cannot touch

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Solution

Touch means we can obtain on the screen.
Virtual images can be obtained on the screen and real images can not.
This depend on the position of the object, when object is placed between the focus and the pole of the mirror image formed is the virtual and in all other cases, image formed is real.

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Q. Which of the following is incorrect ?

a. A convex mirror can give a virtual image.

b. A convex mirror cannot give a real image.

c. A concave mirror can give a virtual image.

d. A concave mirror can give a diminished virtual image.

Mark ‘T’ if the statement is true and ‘F’ if it is false:

(a) We can obtain an enlarged and erect image by a convex mirror. (T/F)

(b) A concave lens always forms a virtual image. (T/F)

(d) A real image cannot be obtained on a screen. (T/F)

(e) A concave mirror always forms a real image. (T/F)

Can you distinguish between concave and convex mirrors without touching them? How?

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