Molecules and Solids (id: 69f4f07e8)

本题目来源于试卷: Molecules and Solids，类别为 IB物理学

[填空题]
At what wavelength wzt:+;ej ps* m1qmgnzs+eiop t)) 0j(kill an LED radiate if made from a materi- g/:l(kfex/w eybb 6ib.lgf 3al with an energy ga.(eglbbe b f:fk3-yiglx// w6p $ E_g = 1.4\ \text{eV} $? $\lambda $ =    $\mu m$

参考答案: 0.89±2%


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