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Q.

Is it true that the red color has a longer wavelength compared to all the colors of the visible spectrum?


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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 light's deviation depends on the morning's wavelength—the greater the wavelength, the lesser the deviation. Also, when the white light is split into seven colours, it forms seven short colours, abbreviated as VIBGYOR. Of these seven colors, violet is the most deviated one, and red is the least deviated one. Hence, the red bent the least. It can be concluded that red light has a longer wavelength than all the other spectrum colors.
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