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Q:

What is the correct order of radiations in descending order of frequencies?

  • 1
    Infrared > Microwaves > Radio waves > X-rays
  • 2
    Radio waves > X-rays > Microwaves > Infrared
  • 3
    X-rays > Infrared > Microwaves > Radio waves
  • 4
    Infrared > Microwaves > X-rays > Radio waves
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Answer : 3. "X-rays > Infrared > Microwaves > Radio waves"
Explanation :

The correct order of radiations is in descending order of frequencies.

 X-rays > Infrared > Microwaves > Radio waves

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