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An electron passes between two parallel ...

An electron passes between two parallel plate of a capacitor as shown in the diagram. The electron emetrs the plate at t=0 and it comes out of the plates at time t-T, the electron hits the screen at A, as shown. Now a time varying potential difference V is applied between the plates, as shown in the graph. (Neglect the gravity). The point where the electrin now will strike the screen (as compared to point A) will be

A

deflected up

B

deflected down

C

deflected up then down

D

deflected down then up

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The correct Answer is:
A
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