1
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A proton and an $\alpha$-particle are accelerated through the same potential difference $V$. The ratio of their de-Broglie wavelength is
A
$\sqrt{2}$
B
$2 \sqrt{2}$
C
$\sqrt{3}$
D
$2 \sqrt{3}$
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