Q. What is the ration of mass of an electron to the mass of a proton?
A) 1:2
B) 1:1
C) 1:1837
D) 1:3
Explanation
(c)
Mass or proton $= 1.672614 \times 10^{27}kg$
Mass of electron $= 1.60211 \times 10^{- 31}kg$
∴ Mass of proton/Mass of electron $= \frac{1}{1837}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.