Electrostatics Question 493

Question: A bullet of mass 2 gm is having a charge of 2μC . Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10m/s [CBSE PMT 2004]

Options:

A) 5 kV

B) 50 kV

C) 5 V

D) 50 V

Show Answer

Answer:

Correct Answer: B

Solution:

By using 12mv2=QV

therefore 12×2×106×(10)2=2×106V

therefore V=50kV



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