if the engery gapping between conduction baned and vallence baned is 1.1ev find the threshold wavelength
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E= hc/£
£=hc/E
£=6.6×10^-34×3×10^8/1.1 1.6×10^19
£= solve it
hope it helps you
£=hc/E
£=6.6×10^-34×3×10^8/1.1 1.6×10^19
£= solve it
hope it helps you
ck233:
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