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JEE Advance 2012
paper 1
Question
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 $45^{\circ}$ to the vertical JUST after release. Then X is nearly
Select the correct option:
A
$1 \times 10^{-5} \mathrm{~V}$
B
$1 \times 10^{-7} \mathrm{~V}$
C
$1 \times 10^{-9} \mathrm{~V}$
D
$1 \times 10^{-10} \mathrm{~V}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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