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In Physics / Middle School | 2014-09-23

How does electromagnetism affect people in the world?

Asked by Hello124

Answer (2)

That depends on the wavelength of the electromagnetic radiation.
-- If the waves are long, then we use them for radio, TV, and cellphones.
-- If the waves are shorter than that, then we use them for GPS in the car.
-- If the waves are shorter than that, then we use them to heat meatloaf in the microwave oven.
-- If the waves are shorter than that, then they warm us and they make our plants grow ... like the ones we eat.
-- If the waves are shorter than that, then our eyes use them to see with.
-- If the waves are shorter than that, then they tan our skin.
-- If the waves are shorter than that, then they can cause cancer on our skin.
-- If the waves are shorter than that, then they can cause cancer and other diseases in places inside our body.

Answered by AL2006 | 2024-06-10

Electromagnetism significantly affects people through communication technologies, medical applications, everyday appliances, solar energy utilization, and health considerations. Its applications range from radio waves used for conversations to X-rays in medicine and visible light aiding in photosynthesis for plants. Understanding electromagnetism's dual role as both beneficial and potentially harmful is essential for modern living.
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Answered by AL2006 | 2024-12-26