COMEDK-UGET SERIES
Physics

Laws In Physics

1 previous year questions.

Volume: 1 Ques
Yield: Medium

High-Yield Trend

1
2022

Chapter Questions
1 MCQs

01
PYQ 2022
medium
physics ID: comedk-u
Choose the incorrect statements.
1
Silicon is used in the fabrication of LED.
2
LED works on the principle of electroluminescence.
3
LED is a power efficient device.
4
LED is fabricated with direct band gap semiconductor.