how do astronauts talk to one another on the surface of the moon?
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Actually, lunar surface doesn't have atmosphere and as we know, sound needs medium to propagate. Due to lack of medium, sound can't propagate on lunar surface and therefore astronauts use special type of electrical devices on their helmets which transfer sound waves from their voices into radio waves and transmit it to other astronaut. The mechanism is similar to working of radio at our homes.
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Answer:
Radio waves
Radio waves are used by astronauts to communicate with one another on moon because radio waves do not require any material medium for its propagation.
Explanation:
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