Question
Identify the following electromagnetic radiations as per the frequencies given below:
  1. 1020Hz
  2. 109Hz
  3. 1011Hz
Write one application of each.

Answer

  1. 1020Hz → γ-radiation,

Application: For treatment of cancer.

  1. 109Hz → Radio waves,

Application: For broadcasting radio-programmes to long distances.

  1. 1011Hz → Microwaves,

Application: For cooking in microwave oven.

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