Published by:
CGP EDU Academic Team
Published on: September 13, 2026
is constructed from
semiconducting material. The energy gap of this
is
. Calculate the wavelength of light emittedand its colour.
and 
Text Solution
Verified by ExpertsThe correct answer is:
A
We Know that 



Wavelength of red light is
to 
So, answer is
.
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and blue colour
and red colour
and orange colour