Question : Who is the founder of quantum theory of radiation?
Option 1: Einstein
Option 2: Bohr
Option 3: Plank
Option 4: S. N. Bose
Correct Answer: Plank
Solution : The correct answer is Plank.
Max Planck, a German scientist, pioneered the quantum theory of radiation in the early twentieth century. Planck's study on blackbody radiation in 1900 resulted in the development of the notion of energy quantization, which was a key premise for quantum theory. He argued that energy is quantized, which means that it can only exist in discrete, indivisible quantities known as "quanta."
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