Questions
An LED is constructed from a p-n junction diode using Ga As P. The energy gap is 1.9 eV. The wavelength of the light emitted will be equal to
detailed solution
Correct option is C
Wavelength of light emitted.λ=12400Eg( in eV)A0=124001.9=6526 A0=653 nm≃654 nmTalk to our academic expert!
Similar Questions
An LED is constructed from a PN junction based on a certain semi-conducting material whose energy gap is 4 eV. Then the wavelength of the emitted light is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
