हर्ट्ज़, जिन्होंने वेव थ्योरी को साबित किया था, उन्होंने इस मामले को आगे नहीं बढ़ाया क्योंकि उन्हें यक़ीन था कि इसे वेव थ्योरी से ही समझाया जा सकता है। लेकिन ये सोच ग़लत साबित हुई, क्योंकि वेव थ्योरी इस वाक़िए को समझाने में नाकाम रही।
The photoelectric effect is a phenomenon in which, when light falls on the surface of a metal, electrons are emitted from it—provided the frequency of the light is sufficient. This phenomenon was first observed by Heinrich Hertz in 1887 and later by Lenard in 1902. However, their observations could not be explained using Maxwell’s electromagnetic wave theory of light.
Hertz, who had himself proven the wave theory, did not pursue the matter further, as he was confident that it could be explained using the wave theory. However, this assumption turned out to be incorrect because the wave theory failed to explain this phenomenon.
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