Title: Paperback
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"

THE Quantum Theory first saw light in 1900. When, in the years immediately preceding (1897-1899), Lummer and Pringsheim made their fundamental measurements of black-body radiation at the Reichsanstalt, they could have had no premonition that their careful experiments would become the starting-pointof a revolution such as has seldom occurred in physics.


In the field of heat radiation chief interest at that time was centred in the radiation of a black body (briefly called "blackbody" radiation), that is, of a body which absorbs completely all radiation which falls on it and which thus reflects, transmits, and scatters none. We may shortly call to mind the following facts.


 


It is known that any body at a given temperature sends out energy in the form of radiation into the surrounding space. This radiation is not energy in a single simple form but is made up of a number of single radiations of different colours, i.e. of different wave-lengths (Lambda) or of different frequencies.

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Publisher -

Language -

Paperback

Contributors

Author

Fritz Reiche


Published Date -

ISBN - 9786256235533

Dimensions - 24.4 x 17.0 x 1.1 cm

Page Count - 198

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