Questions
An electron falls through a small distance in a uniform electric field of magnitude 2 x 104NC-1.The direction of the field is reversed keeping the magnitude unchanged and a proton falls through the same distance. The time of fall will be
detailed solution
Correct option is C
The time required to fall through distance d is d=12qEmt2 or t=2dmqESince t2∝m ,a proton takes more time.Talk to our academic expert!
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A particle of mass m and charge q is thrown at a speed u against a uniform electric field E. How
much distance will it travel before coming to rest?
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