IIT JEE Advanced 2012 Paper 1

Section: Physics
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Question : 6 of 60
 
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Two large vertical and parallel metal plates having a separation of 1 cm are connected to a DC voltage source of potential difference X. A proton is released at rest midway between the two plates. It is found to move at 45° to the vertical JUST after release. Then, X is nearly
[JEE Adv 2012 P1]
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