Atomic Structure Question 20
Question: What is the packet of energy called [AFMC 2005]
Options:
A) Electron
B) Photon
C) Positron
D) Proton
Show Answer
Answer:
Correct Answer: B
Solution:
According to quantum theory of radiation, a hot body emits radiant energy not continuously but discontinuously in the form of small packets of energy called quanta or photons.