The electron is lighter than a proton by a factor of about
A. 18.4
B. 184
C. 1840
D. 18400
Answer: Option C
Solution (By Examveda Team)
The mass of electron is 9.109 × 10 - 31 Kg.whereas the mass of a proton is 1.672 × 10 - 27 Kg.
∴ the ratio of their mass will be (1.672 × 10 - 27 Kg.)/(9.109 × 10 - 31 Kg.) ≈ 1840
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