Dual Nature Of Light Question 34
Question: An electron (charge = $ 1.6\times {{10}^{-19}}C $ ) is accelerated through a potential of 100,000 V. The energy acquired by the electron is [MP PET 1989]
Options:
A) $ 1.6\times {{10}^{-24}}\ J $
B) $ 1.6\times {{10}^{-14}}\ erg $
C) $ 0.53\times {{10}^{-17}}J $
D) $ 1.6\times {{10}^{-14}}J $
Show Answer
Answer:
Correct Answer: D
Solution:
$ E=eV=1.6\times {{10}^{-19}}\times 10^{5} $ $ =1.6\times {{10}^{-14}}J $