Which colour of the visible spectrum has the greatest wavelength?

Yellow

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Blue

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Red

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Violet

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Solution

The correct option is C
Red

Red has the greatest wavelength in the visible spectrum.

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Similar questions

Which coloured light has largest wavelength in the visible spectrum?

Among red, yellow and blue, blue coloured light has the shortest wavelength.

(400 n m)

(750 n m)

(H z)

(1 n m = 10^{- 9} m)

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