Question #ccd24

1 Answer
Junaid Mirza
Oct 27, 2017

5.77 × 10^-19 "Joules"5.77×10−19Joules

Explanation:

E = (hc) / λ = (6.626 × 10^-34 "Js" × 3 × 10^8 "ms"^-1) / (3.44 × 10^2 cancel"nm" × 10^-9 "m"/cancel"nm") = 5.77 × 10^-19 "Joules"

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