3in +2 u will learn abt dispersion,There are many of ways for dispersin of light.One of the interesting way to observe the spectrum is newton's rings method.u can get it in wikipedia
how can we show that white light consists of 7 constituent colours?
why the white light passing through a rect. block does not show dispersion?
explain the reason why the white light shows the phenomenon of dispersion while passing through a prism?
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3 Answers
24ans1 ) use prism
ans2 ) Dispersion occurs in glass slab too..but since the faces are parallel,=> the light emerges out in the direction that is same as that of incident radiation => no deviation
ans3 ) i think u would have got its answer by now [6]
62One more thing..
At a very fine level there are too many more than 7 colors.. (Like there are many many shades of each color!)
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