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Question

According to the quantum theory of light, the light consists of the packets of energy, each packet is called as :

A
photon
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B
proton
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C
electron
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D
atom
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Solution

The correct option is A photon
The quantum theory supports particle nature of light where it is said that the light consists of packets of energy called photon.

Hence, (B) is the correct answer.

Why this Question?Photoelectric effect by Hertz, compton effect by compton, stark effect by stark were discovered in 20th centuary and that were explained by quantum theory of light. This question may not be asked in NEET directly but builts understanding of the concepts.

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