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Question : 22
Total: 37
Gamma rays and radio waves travel with the same velocity in free space. Distinguish between them in terms of origin and the main application.
Solution:
| Gamma rays | Radio waves | |
|---|---|---|
| Origin | Nuclear decay From hottest and most energetic objects in the universe, such as neutron stars, pulsars, supernova explosions, and regions around black holes | Lightning From broadcast radio towers, cell phones and radars. |
| Application | In radiotherapy, sterilisation and disinfection | In fixed and mobile radio communication, radar and other navigation systems, communications satellites, computer networks |
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