Question
Identify the following electromagnetic radiations as per the frequencies given below:
  1. $10^{20}Hz$
  2. $10^9Hz$
  3. $10^{11}Hz$
Write one application of each.

Answer

  1. $10^{20}Hz →$ γ-radiation,
Application: For treatment of cancer.
  1. $10^9Hz →$ Radio waves,
Application: For broadcasting radio-programmes to long distances.
  1. $10^{11}Hz →$ Microwaves,
Application: For cooking in microwave oven.

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