what is the difference between refraction by a plain glass slab and refraction by a prism?

Asked by  | 12th Jul, 2008, 11:46: AM

Expert Answer:

when a white light passes from a glass slab refraction of ligth occurs in case of prism when white light passes dispersion of light occurs but when monochromatic light falls on prism then only refraction of light occurs.

Answered by  | 13th Jul, 2008, 11:12: AM

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