Q. The kinetic energy of an electron, which is accelerated in the potential difference of 100 V, is
A) $1.6 \times 10^{- 17}$ J
B) $1.6 \times 10^{- 14}$ J
C) $1.6 \times 10^{- 10}$ J
D) $1.6 \times 10^{- 8}$ J
Explanation
(a) $KE = eV = 1.6 \times 10^{- 19} \times 100 = 1.6 \times 10^{- 17}$ J
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.