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2019 Electromagnetic Waves Electromagnetic Spectrum – Visible Light Easy Question 24 of 49 in Electromagnetic Waves

Which colour of the light has the longest wavelength?

A red

B blue

C green

D violet

The answer is A.

Solution

Among the given colours (red, blue, green, violet), red has the longest wavelength.

Concept colour with the longest wavelength

Electromagnetic Waves in past papers

49 questions from this chapter have appeared across 24 exam years.