What is a black body?  [ENDORSED]

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Andrew Berard 1F
Posts: 21
Joined: Fri Apr 06, 2018 11:01 am

What is a black body?

Postby Andrew Berard 1F » Sun Apr 15, 2018 4:28 pm

Could someone explain to me what a black body actually is? Also, will we need to know anything about black bodies for future tests or should I just not worry about it?

Phil Timoteo 1K
Posts: 101
Joined: Fri Apr 06, 2018 11:05 am

Re: What is a black body?  [ENDORSED]

Postby Phil Timoteo 1K » Sun Apr 15, 2018 4:58 pm

is a theoretically ideal radiator and absorber of energy at all electromagnetic wavelength s

Phil Timoteo 1K
Posts: 101
Joined: Fri Apr 06, 2018 11:05 am

Re: What is a black body?

Postby Phil Timoteo 1K » Sun Apr 15, 2018 4:59 pm

I think one of the video modules we watched. Professor Lavelle said we wouldn't be dealing with black bodies in 14A

Matia Kim 1B
Posts: 60
Joined: Fri Apr 06, 2018 11:03 am

Re: What is a black body?

Postby Matia Kim 1B » Sun Apr 22, 2018 10:22 pm

The textbook explains black body as the "hot object" and basically means that it is an object that is extremely hot (so hot it glows white) because it doesn't favor one wavelength over another, in the sense of choosing a wavelength to absorb or emit.

Erica Li 1C
Posts: 31
Joined: Fri Sep 28, 2018 12:17 am

Re: What is a black body?

Postby Erica Li 1C » Fri Oct 12, 2018 10:54 pm

For a black body, as the temperature increases the max intensity of radiation produces shorter wavelengths as well

ArielKim3C
Posts: 30
Joined: Fri Sep 28, 2018 12:25 am

Re: What is a black body?

Postby ArielKim3C » Sat Oct 13, 2018 1:21 pm

Professor Lavelle told us during lecture to not worry about black bodies for now so I believe you can just not worry about it for now.

Erin Nash - 4G
Posts: 29
Joined: Fri Sep 28, 2018 12:27 am

Re: What is a black body?

Postby Erin Nash - 4G » Mon Oct 15, 2018 3:13 pm

A black body is a theoretical material that can absorb all wavelengths of light; however, Dr. Lavelle said we didn't need to worry about it.

Eunice Lee 1A
Posts: 60
Joined: Wed Oct 03, 2018 12:16 am

Re: What is a black body?

Postby Eunice Lee 1A » Thu Oct 18, 2018 4:07 pm

A black body is a material that can hypothetically absorb all light frequencies.


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