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Question

Which one of the following colours has the shortest wavelength?

A
Red
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B
Green
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C
Violet
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D
Orange
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Solution

The correct option is C Violet
Visible light is a part of the electromagnetic spectrum. This part of the spectrum includes a range of different colours which are represented by specific wavelengths. These colours are violet, indigo, blue, green, yellow, orange and red (VIBGYOR). The wavelength increases from violet to red. So, red light has the longest and violet has the shortest wavelength.

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