Published by:
CGP EDU Academic Team
Published on: August 22, 2026
A particle of mass ' 
' and charge ' 
' is fastened to one end 'A' of a massless string having equilibrium length 
, whose other end is fixed at point ' O '. The whole system is placed on a frictionless horizontal plane and is initially at rest. If uniform electric field is switched on along the direction as shown in figure, then the speed of the particle when it crosses the 
-axis is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
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