A glass prism disperse the light into seven colors but a glass slab does not. Explain.
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Because white light is made up of ALL visible wavelengths, its colors canbe separated (dispersed) by this difference in behavior. When light passes throughglass, it encounters TWO interfaces--one entering andthe other leaving. ... The index of refraction for air is(almost) 1, while for glass itis about 1.5 (or so).
AnshumanNandan:
Light also encounters two interfaces in case of prism
yes
but it only possible if there is two prism
Light undergoes refraction twice in both cases
oo ya refraction undergoes but white light will be refracted only in the exp of newton
That's what I'm asking
Reason for it
i m telling true come in any other answer of mine
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