3.63 x 10-19m
6.51 x 10-9m
4.24 x 10-8m
7.25 x 10-8m
Correct answer is C
\(\lambda = \frac{hc}{\frac{1}{2}mv^2} = \frac{6.6 \times 10^{-38} \times 3 \times 10^8}{\frac{1}{2} \times 9.1 \times 10^{-31} (2 \times 10^6)^2}\)
= 4.24 x 10-8m
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