Electromagnetic Radiation


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jane_ni_2d
Posts: 67
Joined: Fri Sep 28, 2018 12:23 am

Electromagnetic Radiation

Postby jane_ni_2d » Wed Oct 17, 2018 1:12 pm

Why is it that when frequency decreases, the extent of change in the electrical field at a given point also decreases?

Manya Bali 4E
Posts: 66
Joined: Fri Sep 28, 2018 12:23 am

Re: Electromagnetic Radiation

Postby Manya Bali 4E » Wed Oct 17, 2018 3:53 pm

When I think about a change in the electrical field, I think it refers to a change in amplitude. Waves can get bigger or smaller, and as that happens, their electric field also gets bigger or smaller. If you imagine the drawing of a wave, the waves get kind of flattened when the frequency decreases as the wave stretches out and gets longer. Thus, it has a lower amplitude, and the extent of change also decreases.

Hedi Zappacosta 1E
Posts: 66
Joined: Fri Sep 28, 2018 12:27 am

Re: Electromagnetic Radiation

Postby Hedi Zappacosta 1E » Wed Oct 17, 2018 4:01 pm

I think it is because electromagnetic radiation is essential energy going through a space, and when frequency decreases, so will energy since frequency and energy are directly proportional by the equation E=hv

dgerges 4H
Posts: 65
Joined: Fri Sep 28, 2018 12:24 am

Re: Electromagnetic Radiation

Postby dgerges 4H » Wed Oct 17, 2018 9:15 pm

the slope of the wave decreases which in turn decreases the extent of change in the electric field


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