Why an image of an object is not formed by a glass?

Asked by Vasavi GS | 4th Jun, 2013, 06:35: PM

Expert Answer:

Image is formed only when two rays of light converge or diverge to meet to form a real image or appear to meet to form a virtual image repectively.
Silvering helps by reflectiing the rays and thus they appear to meet when produced backwards, and in glass no such thing happens because it simply shift the rays parallely.
Hence it does not form an image.
Simply shifts the path of rays.

Answered by  | 4th Jun, 2013, 11:23: PM

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