Visible Light Spectrum


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905085650
Posts: 62
Joined: Fri Sep 28, 2018 12:19 am

Visible Light Spectrum

Postby 905085650 » Sun Oct 14, 2018 5:03 pm

Are we supposed to memorize the visible light spectrum? I know the general idea that as wavelength increases energy decreases and vice versa, but are we supposed to know the numbers attached to the entire spectrum?

ChathuriGunasekera1D
Posts: 78
Joined: Fri Sep 28, 2018 12:17 am

Re: Visible Light Spectrum

Postby ChathuriGunasekera1D » Sun Oct 14, 2018 5:19 pm

Hi! I know that we should know that 400 nm is about violet and 700 nm is about red, but I don't think we need to be able to match color to wavelength exactly.

Ibrahim Malik 1H
Posts: 65
Joined: Fri Sep 28, 2018 12:27 am
Been upvoted: 1 time

Re: Visible Light Spectrum

Postby Ibrahim Malik 1H » Sun Oct 14, 2018 5:23 pm

I doubt we would have to know specific numbers associated with colors, just know that 700 nm is red and 400 nm is violet.
Red has a long wavelength and low frequency, and violet has a short wavelength and high frequency.

Mhun-Jeong Isaac Lee 1B
Posts: 54
Joined: Fri Sep 28, 2018 12:17 am

Re: Visible Light Spectrum

Postby Mhun-Jeong Isaac Lee 1B » Sun Oct 14, 2018 5:56 pm

Yes, what the two above have mentioned is correct. Also, Lavelle said in lecture that we will be mostly focusing on ultraviolet rays, visible light, and infrared rays in class so we don't have to worry about the others too much.


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