Find the correct color sequence in the spectrum

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Red, orange, green, yellow, blue, indigo, violet

Violet, indigo, blue, green, yellow, orange, red

Blue, violet, green, indigo, yellow, red, orange

Green, yellow, violet, blue, orange, red, indigo

answer is B.

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Detailed Solution

Concept: The color sequence of the visible spectrum ranges from violet to red with a varying wavelength from 380 to 740 nanometers.
The visible spectrum is part of the electromagnetic spectrum that is visible to the human eye. The wavelength range of the visible spectrum is 380 to 740 nanometers. In terms of frequency, it covers the distance from 405THz to 790THz. Incomplete colors are not included in the spectrum. Pure color of one wavelength is considered.
When a white light beam is disconnected, a spectrum is displayed. For research purposes, the tests were performed using a simple beam and glass prism. When a beam of light strikes a prism at a certain angle, it recedes and seven different colors are clearly visible. The most common color curve is small.
A good example of atmospheric refraction is the formation of the rainbow. It occurs before sunlight and water droplets in the atmosphere. When the sunlight touches a drop of water, a combination of reflection and repetition occurs, leading to the visible natural phenomenon we often call the rainbow.
Therefore, the correct order of the visible spectrum is this:
Violet, Indigo, Blue, Green, Yellow, Orange, Red
Hence, the correct option is 2

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Best Online Course for CBSE