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Q.

Which of the following colors’ bands is not seen in a spectrum?


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a

Green

b

Yellow

c

Purple

d

Red 

answer is C.

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Detailed Solution

The purple color’s band is not seen in the spectrum.
The light passing through a prism is reflected and refracted into a continuous band of colors. The visible band of seven colors is called the spectrum. The bands of colors we see in a spectrum are red, orange, yellow, green, blue, indigo, and violet. The band formed is also abbreviated as VIBGYOR.
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