SarkariPYQ

SSC GD 2019 PYQ — Question 41

SSC GD Constable (English) - 13 Feb 2019 Shift 3 • General Awareness • Q41

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Which one of the following waves are used by the common TV remote control?

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Correct answer: D

Explanation

The correct answer is option 4 i.e. Infrared waves.

  • Infrared waves are used by the common TV remote control.
  • Wavelength: 700 nanometers to 1 millimetre.