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What is the maximum temperature of an object that gives off no visible light?

Hobgoblin32

wrote...

11 years ago

What is the maximum temperature of an object that gives off no visible light?

What is the maximum temperature of an object that gives off no visible light?

Read 1666 times

3 Replies

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rus_116

wrote...

#1

11 years ago

Remember, at any temperature there is a very very ... small amount of light at all frequencies Frowning Face

Frowning Face

The PEAK color will vary with temperature. Look up Black-body radiation or Plank radaition.

naga1982

wrote...

#2

11 years ago

He's right Upwards Arrow

A black body at room temperature (300 K) with one square meter of surface area will emit a photon in the visible range (390–750 nm) at an average rate of one photon every 41 seconds, meaning that for most practical purposes, such a black body does not emit in the visible range. Taking that to the absurd, the maximum temperature of an object that gives off no visible light, ever, not a single photon in the lifetime of the universe, is absolute zero.

licidoll

wrote...

#3

11 years ago

798 K

see: Draper point

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