Consider the following sentences.
1. The phenomenon of emission of electrons from metals under the effect of light rays is called photoelectric effect.
2. The electron emitted by the photoelectron effect are called proton.
3. The phenomena like interference diffraction and polarisation were explained successfully on the basis of wave nature of radiation.
Which of the above sentence/sentences is/are correct?

A. 1 and 2

B. 2 and 3

C. 1 and 3

D. None of the above

Answer: Option C