1.

There is a uniform electric field of strength 10^3 Vm^(-1) along Y-axis. A body of mass lgm and charge 10^(-6) C is projected into the field from origin along the positive X-axis with a velocity of 10 ms^(-1) Its speed in ms^(-1) after 10s is (Neglect gravitation)

Answer»

`10
`5sqrt(2)` 
`10sqrt(2)`
`20`

ANSWER :C


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