## What is Black Body?

(Wien's law: $T\lambda _{max}=\frac{1}{5}C_{2}$ )

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Kellylin_4D
Posts: 66
Joined: Sat Aug 24, 2019 12:17 am

### What is Black Body?

Can someone explain exactly what Black Body Radiation is and what is it for?

thanh24mai
Posts: 50
Joined: Thu Jul 25, 2019 12:17 am

### Re: What is Black Body?

So I'm not super sure, but I remember in lecture he was saying that a black body is something that absorbs radiation at all wavelengths.

AKhanna_3H
Posts: 104
Joined: Wed Sep 18, 2019 12:19 am

### Re: What is Black Body?

I also believe Dr. Lavelle said that it absorbs all radiation.

Minh Ngo 4G
Posts: 137
Joined: Thu Jul 25, 2019 12:17 am

### Re: What is Black Body?

An object that absorbs all EM radiation regardless of frequency

Ashley Osorio
Posts: 54
Joined: Thu Jul 11, 2019 12:17 am

### Re: What is Black Body?

From my understanding, black bodies is a misleading name because they're actually glowing white from how hot they are. Basically, they do absorb all wavelengths, but they don't reflect light, they radiate it. The amount of light emitted then depends on the temperature of the object being heated.

Mai V 4L
Posts: 111
Joined: Fri Sep 28, 2018 12:23 am

### Re: What is Black Body?

Does anyone know if this is going to be on the final?

Anokhi Patel 2B
Posts: 76
Joined: Fri Aug 09, 2019 12:17 am

### Re: What is Black Body?

What would it mean if we solved the black body dilemma, does that mean time travel.

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