Question

electrical devices are used by the astronauts to communicate with each other on the moon why?​

Answer 1

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 home

Answer 2

Answer:

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.

Explanation:

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