Which of the following gives rise to the line spectra obtained from atoms?
A
Kinetic energy of a moving atom
B
Potential energy of an electron inside an atom
C
Change of an electron from a higher to a lower energy level in the atom
D
Disturbed proton in the nucleus
E
Excitation of an electron in the atom
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #24295)