Dear children, you listen to the social science program on radio with great enthusiasm. Which of the following is technically helpful for its transmission?
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Answer:
Bands of radio waves are used for the radio transmission.
Explanation:
- Radio waves pass through the air and they travel in the vacuum at the speed of light.
- They are a type of electromagnetic wave which have a longer wavelength and low frequency as compared to infrared waves.
- These waves scattered in the air and are not absorbed by objects like electromagnetic waves.
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