Question

distinguish b/w real and virtual image of an object. what type image is formed
(1)by a plane mirror
(2)on a cinema screen

Answer 1

A real image can be caught on a screen whereas a virtual image cannot be caught on a screen.

A real image is always inverted whereas a virtual image is always erect.

A real image is formed when the rays of light after reflection or refraction actually meet at some point whereas a virtual image is formed when the rays of light after reflection or refraction appear to meet at a point.

A real image is formed by the actual intersection of light rays whereas a virtual image is formed by the imaginary intersection of light rays.

A real image can be formed in in a screen but a virtual image can be only seen in the mirror.

A real image is formed by only concave mirror however a virtual image can be formed by concave, convex and plane mirror also.

Answer 2

The following are the differences between a real image and virtual image:

A real image can be caught on a screen whereas a virtual image cannot be caught on a screen.
A real image is always inverted whereas a virtual image is always erect.

VIRTUAL IMAGE is formed by a plane mirror.

REAL IMAGE is formed on a cinema screen.

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