MCQ
Waves in decreasing order of their wavelength are:
  • A
    $X-$rays, infrared rays, visible rays, radio waves
  • B
    radio waves, visible rays, infrared rays, $X-$rays.
  • radio waves, infrared rays, visible rays, $X-$rays.
  • D
    radio waves, ultraviolet rays, visible rays, $X-$rays.

Answer

Correct option: C.
radio waves, infrared rays, visible rays, $X-$rays.

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