A proton is about 1840 times heavier than an electron. When it is… - Vidyadip

MCQ

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be:

A
920 keV
B
$\frac{1}{1840} keV$
C
1 keV
D
1840 keV

✓

Answer

(c) 1 keV
Explanation: K.E. gained $= qV = e \times 1 kV =1 keV$

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