Questions
An electron having charge e and mass m starts from the lower plate of two metallic plates separated by a distance d. If the potential difference between the plates is V, the time taken by the electron to reach the upper plate is given by
detailed solution
Correct option is A
E=Vd, F=eE=eV/da=Fm=eVmdd=12at2 or t=2daor t=2dmdeV=2md2eVTalk to our academic expert!
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