Among the given lights, red coloured light has the longest wavelength.
As wavelength increases from V to R in VIBGYOR. So, red colour has the largest wavelength. It is reverse of frequency.Violet has the shortest wavelength.
Which colour of the light has the longest wavelength?
NEET UG 2019 — Physics Electromagnetism
2019mcqeasy
Which colour of the light has the longest wavelength?
Official previous-year question
Held on 30 Apr 2019 · Verified 9 Jul 2026.
Options
- A
red
- B
blue
- C
green
- D
violet
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