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An atom absorbs a photon of wavelength 500500 nm and emits another photon of wavelength 700700 nm. Find the net energy absorbed by the atom in the process.

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Hrishant Goswami , 10 Years ago
Grade 10
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Kevin Nash

Last Activity: 10 Years ago

Sol. λ base 1 = 500 nm = 500 * 10^–9m, λ base 2 = 700 nm = 700 * 10^–9 mrnE base 1 – E base 2 = Energy absorbed by the atom in the process. = hc [1/ λ base 1 – 1/ λ base 2]rn⇒ 6.63 * 3[1/5 – 1/7] * 10^–19 = 1.136 * 10^–19 J

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