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Question 88

The electromagnetic waves ranging in frequencies between 1 GHz and 300 GHz are called ______.

  1. ARadio waves
  2. BMicro waves
  3. CInfrared waves
  4. DLight waves
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Correct answer: (B) Micro waves

Explanation

Frequencies from about 1 GHz to 300 GHz are microwaves, used for satellite, radar and point-to-point links. Radio waves are below this range and infrared is above it.

From DSSSB TGT Computer Science Practice Set 3

This is question 88 of DSSSB TGT Computer Science Practice Set 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.