[問題] 量子
When a molecular absorbs a photon , both the energy and momentum are conserved.
If a H2 molecular at 300k absorbs an ultraviolet photon of wavelength 100nm ,
what is the change in its velocity △v?
請問這題怎麼解阿? 解好久...
氫分子吸收紫外光的能量使速度變快
這樣列式對嗎?
1/2 * m * v^2 = E = hc/λ
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