The speed of light


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Zuri Smith 1A
Posts: 34
Joined: Fri Apr 06, 2018 11:05 am

The speed of light

Postby Zuri Smith 1A » Mon Apr 16, 2018 8:01 pm

I apologize if this question is elementary, but do all forms of energy on the electromagnetic spectrum (gamma rays, x rays, infrared, etc) travel at the speed of light?

Luis Avalos 1D
Posts: 30
Joined: Wed Nov 22, 2017 3:00 am

Re: The speed of light

Postby Luis Avalos 1D » Mon Apr 16, 2018 10:56 pm

In a vacuum, yes. The only thing that's different is their frequencies & wavelengths I believe.

jessicasam
Posts: 36
Joined: Wed Nov 15, 2017 3:02 am
Been upvoted: 1 time

Re: The speed of light

Postby jessicasam » Tue Apr 17, 2018 10:32 pm

Yes, the speed of light is a constant that for the equations we use will always be 3.00x10^8 ms-1.

kendallbottrell
Posts: 31
Joined: Fri Apr 06, 2018 11:02 am

Re: The speed of light

Postby kendallbottrell » Wed Apr 18, 2018 1:28 pm

Luis Avalos 1D wrote:In a vacuum, yes. The only thing that's different is their frequencies & wavelengths I believe.


What does it necessarily mean when one says "in a vacuum"?

Jacob Samuels 1E
Posts: 30
Joined: Fri Apr 06, 2018 11:05 am

Re: The speed of light

Postby Jacob Samuels 1E » Wed Apr 18, 2018 2:05 pm

"In a vacuum" means that there is no matter in the space that would affect processes occurring there.


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