An electron initially at rest falls a distance of \( 1.5 \mathrm{~cm} \) in a uniform electric f...

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An electron initially at rest falls a distance of \( 1.5 \mathrm{~cm} \) in a uniform electric field of magnitude \( 2 \times 10^{4} \mathrm{~N} / \mathrm{C} \).
P The time taken by electron to fall this distance is

W
(A) \( 1.3 \times 10^{2} \mathrm{~s} \)
(B) \( 2.1 \times 10^{-12} \mathrm{~s} \)
(C) \( 1.6 \times 10^{-10} \mathrm{~s} \)
(D) \( 2.9 \times 10^{-9} \mathrm{~s} \)
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