Question

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

• A. photon
• B. proton
• C. electron
• D. atom

Answer 1

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, $\left(B\right)$ is the correct answer.

$$\begin{array}{c}\text{Why this Question?}\\ \text{Photoelectric effect by Hertz, compton effect by compton, stark effect by stark were discovered in}{20}^{th}\text{centuary and that were explained by quantum theory of light. This question may not be asked in NEET directly but builts understanding of the concepts.}\end{array}$$