An electron is accelerated under a potential difference of 182 V.Find the maximum velocity of electrons that will be existing between two parallel plates? The field between the plates, taking (g=10ms−2) is
A
8×106m/s
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B
16×106m/s
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C
4×106m/s
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D
5.68×106m/s
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Solution
The correct option is A8×106m/s 12mv2=eV⇒v=√2eVm=√1.6×10−19×2×1829.1×10−21⇒v=8×106m/s