Question : Which colour of light from VIBGYOR has minimum energy?
Option 1: Green
Option 2: Violet
Option 3: Yellow
Option 4: Red
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Correct Answer: Red
Solution : The correct option is Red .
Red is the colour of light from VIBGYOR with the least amount of energy. The abbreviation VIBGYOR can be used to memorise the colours of visible light, which are violet, indigo, blue, green, yellow, orange, and red, in decreasing order of frequency. Violet has the highest frequency and the shortest wavelength, whereas red has the longest wavelength and the lowest frequency.
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