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MDCAT
Physics
2021

Physics · Atomic Spectra

Work through this past-paper style MCQ, then read the full explanation. Practice more physics questions on mMCQ with adaptive practice and topic analytics.

Question

The spectrum of white light lies _____.

Options
  • A

    Above 300 nm

  • B

    Below 300 nm

  • C

    In between UV to IR

  • D

    None of these

Explanation

The spectrum of white light consists of six basic colours arranged in a specific order: red, orange, yellow, green, blue and violet.

i.e between Infrared and Ultraviolet.

is incorrect because the wavelength range of visible light, which includes white light, is approximately 400 to 700 nanometers (nm), and thus lies below 300 nm.

is also incorrect for the same reason.

The spectrum of white light consists of six basic colours arranged in a specific order: red, orange, yellow, green, blue and violet. i.e between Infrared and Ultraviolet.

This is not true as per the Explanation.

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Tagged under Physics · Atomic Spectra · 2021