Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
Gallium Arsenide used in LED has energy gap 1.2 eV. Light emitted is in
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. Gallium Arsenide used in LED has energy gap 1.2 eV. Light emitted is in
COMEDK
COMEDK 2007
Semiconductor Electronics: Materials Devices and Simple Circuits
A
UV region
19%
B
IR region
14%
C
Microwave region
0%
D
Visible region
67%
Solution:
Correct answer is (d) Visible region