2.0 x 10 -15J
1.7 x 10 -13J
2.0 x 10 -12J
1.7 x 10 -12J
Correct answer is A
E = \(\frac{hc}{\lambda}\) E = \(\frac{6.63 \times 10^{-34} \times 3 \times 10^18}{10^{-10}}\) E = 2 x 10-15J
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