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The correct sequence of colours in a rainbow (top to bottom of the bow) is:
AViolet, Indigo, Blue, Green, Yellow, Orange, Red
BRed, Orange, Yellow, Green, Blue, Indigo, Violet
CRed, Yellow, Green, Blue, Orange, Indigo, Violet
DYellow, Green, Red, Blue, Orange, Violet, Indigo
Answer & Solution
Correct answer: B. Red, Orange, Yellow, Green, Blue, Indigo, Violet
1. A rainbow bows display red on the outer (top) edge and violet on the inner (bottom).
2. Going from top to bottom: red, orange, yellow, green, blue, indigo, violet.
3. The acronym ROYGBIV captures the top-to-bottom order in a primary rainbow.
_Source: NCERT Class 10 Science, Ch 10 "The Human Eye and the Colourful World", §10.4_
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