The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 64
t experimental result shows that light energycan be expressed by the product of the frequency of the light and aconstant. Indeed, Millikan found that this constant is the sameas Plancks constant of action. Furthermore, C has actually beenfound to be equal to the electron affinity <f>. We… … Fig. 12. periments have shown that this equation holds with a high degreeof accuracy and have placed beyond doubt the correctness of thisvery simple expression for the light energy necessary to dislodgean electron. So far we have considered only the voltage appUed betweenthe plates A and B. This…
Telegraph, Wireless
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