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प्रश्न
Which radiation is used for satellite communication?
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उत्तर
Microwave is used for satellite communication.
संबंधित प्रश्न
What role dose infra-red radiation play in physical therapy?
Name the region beyond the red end of the spectrum.
What are ultraviolet radiations?
Gamma rays and radio waves travel with the same velocity in free space. Distinguish between them in terms of their origin and the main application.
State three properties of ultra-violet radiation similar to visible light.
Answer briefly.
Why light waves travel in a vacuum whereas sound waves cannot?
Answer briefly.
Give two uses of radio waves.
Write two uses of the following radiation.
Gamma rays
Which description identifies how radio waves are mainly produced?
Which set consists of applications of infrared radiation?
