Dual Nature Of Light Question 33

Question: The mass of a particle is 400 times than that of an electron and the charge is double. The particle is accelerated by 5 V. Initially the particle remained in rest, then its final kinetic energy will be [MP PMT 1990]

Options:

A) 5 eV

B) 10 eV

C) 100 eV

D) 2000 eV

Show Answer

Answer:

Correct Answer: B

Solution:

$ E=eV=2e\times 5=10\ eV $