ElectrostaticsHard
Question
A particle of charge 1μC & mass 1 gm moving with a velocity of 4 m/s is subjected to a uniform electric field of magnitude 300V/m for 10 sec. Then it′s final speed cannot be :
Options
A.0.5 m/s
B.4 m/s
C.3 m/s
D.6 m/s
Solution
Velocity due to acceleration = 
10 = 3 m/s
Then the resultant velocity may be between 1 m/s and 7 m/s
10 = 3 m/sThen the resultant velocity may be between 1 m/s and 7 m/s
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