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NEET 2019
Exam
NEET
Year
2019
Subject
Physics
Chapter
Electromagnetic Waves

NEET 2019 · Physics · Electromagnetic Waves

Which colour of the light has the longest wavelength?

Which colour of the light has the longest wavelength?

Options

  1. Ared
  2. Bblue
  3. Cgreen
  4. Dviolet

Correct answer

A. red

Step-by-step solution

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.

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