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Choose the waves relevant to telecommunications.

AUltra violet

BVisible rays

CMicro Waves

DInfra red

Answer:

C. Micro Waves

Read Explanation:

  • Radio waves, microwaves, infrared and visible light can all be used for communication.

  • Radio waves – are used to transmit television and radio programs.

  • Microwaves – are used to transmit satellite television and for mobile phones.

  • Infrared – is used to transmit information from remote controls.

Related Questions:

An object placed at a distance of 25 cm from a converging lens forms a real and inverted image at 30 cm from the lens. The magnification produced by the lens is equal to:
ദൃശ്യപ്രകാശം സഞ്ചരിക്കുന്നത് ഏത് തരംഗങ്ങളായിട്ടാണ്?
The brightest and largest fringe in the centre of an interference pattern is known as?
ലിഫ്റ്റ് കണ്ടുപിടിച്ചത് :

Identify the correct statement(s) from among the following?

  1. a) Resistivity of a material is dependent on the nature of the material.
  2. (b) Resistivity of a material is independent of the area of cross section.
  3. (c) Resistivity of a pure metal is more than its alloy.