Moving Charges and Magnetism - Result Question 20
20. When a proton is accelerated through $1 V$, then its kinetic energy will be
(a) $1840 eV$
(b) $13.6 eV$
(c) $1 eV$
(d) $0.54 eV$
[1999]
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Answer:
Correct Answer: 20. (c)
Solution:
- (c) Potential difference $(V)=1 V$,
K.E. acquired $=q V$
$=1.6 \times 10^{-19} \times 1$
$=1.6 \times 10^{-19}$ joules $=1 eV$
