64ᵗʰ B.P.S.C. (Pre) 2018

Choose the correct statement.

aWavelength of red light is less than violet light
bWavelength of red light is more than violet light✓ Correct
cWavelength of violet light is more than green light
dWavelength of violet light is more than yellow light
eNone of the above / More than one of the above

Explanation

Violet light has the shortest wavelength and the highest frequency, whereas red light has the longest wavelength and the lowest frequency.

general-science