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Q.

Is it true that all the colours of white light bend through different angles in the prism?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
It is known that the wavelength of the colour is inversely proportional to its deviation angle, as all colours have different wavelengths. Hence, different colours of light bend through different angles with respect to the incident ray after they pass through a prism. For example, the red colour has the highest wavelength, so it bends at the least angle. On the other hand, violet has the lowest wavelength of the seven colours, so it bends the most.
 
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