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SSC CPO 2019 PYQ — Question 75

SSC CPO Tier I - 12th March 2019 - Shift 1 • General Awareness • Q75

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The spectrum of light was first explained by __________

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Correct answer: A

Explanation

The correct answer is option 1 i.e. Isaac Newton

  • In the 1660s, English physicist and mathematician Isaac Newton began a series of experiments with sunlight and prisms. He demonstrated that clear white light was composed of seven visible colors.
  • He identified the ROYGBIV colors (red, orange, yellow, green, blue, indigo, and violet) that make up the visible spectrum. The visible spectrum is the narrow portion within the electromagnetic spectrum that can be seen by the human eye.