Q.

There is a uniform electric field of strength 103V /m along y-axis. A body of mass 1 g and charge 10-6C is projected into the field from 
origin along the positive x-axis with a velocity 10 m/s. Its speed in m/s after 10s is (neglect gravitation)

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a

10√2

b

10

c

20

d

5√2

answer is C.

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Detailed Solution

v=u+at where a=Eqm

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