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NEET 2019 · Electromagnetic Spectrum & Atmosphere

Electromagnetic Spectrum & Atmosphere question from NEET 2019

Q22NEET 2019Easy

Electromagnetic Spectrum & Atmosphere

Which colour of the light has the longest wavelength?

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Answer: (c)

  1. Visible order (VIBGYOR): violet ≈400 nm\approx 400\ \text{nm} shortest, red ≈700 nm\approx 700\ \text{nm} longest.
  2. So the answer is (c) red.
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