Devices based on quaternary PbSnSeTe and their ternary compounds, emit – McqOptions

MCQOPTIONS

1.	Devices based on quaternary PbSnSeTe and their ternary compounds, emit at wavelength?
A.	Between 3-4 m
B.	Longer than 4 m
C.	Between 3.5 to 4.2 m
D.	Between 2 to 3 m
Answer» C. Between 3.5 to 4.2 m

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