Solved: A TV remote control emits IR light. I f the

Chapter , Problem 71

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A TV remote control emits IR light. I f the detector on theTV set is not to react to visible light, could it make use ofsilicon as a window with its energy gap Eg = 1.14 eV?What is the shortest-wavelength light that can strike siliconwithout causing electrons to jump from the valence band tothe conduction band?

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