What is the full form of "LED"?
A. Liquid Emitting Diode
B. Light Emitting Device
C. Light Emitting Diode
D. Liquid Emitting Diode
Answer: Option C
Solution(By Examveda Team)
A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the band gap of the semiconductor. White light is obtained by using multiple semiconductors or a layer of light-emitting phosphor on the semiconductor device.Related Questions on Science Abbreviations
What is the full form of "AHA"?
A. Very Low Frequency
B. Alpha Hydroxy Acid
C. Light Amplification by Stimulated Emission of Radiation
D. Airborne Warning and Control System
What is the full form of "VLF"?
A. Volatile Liquid Fluid
B. Very Low Frequency
C. Velocity Liquid Force
D. Very Limited Frequency
What is the full form of "VHF"?
A. Value Hyper Frequency
B. Very High Frequency
C. Velocity High Fluid
D. Virtual Hyper Fluid
What is the full form of "UHF"?
A. Unified High Force
B. Ultra Hyper Frequency
C. Unified Hydro Fluid
D. Ultra High Frequency
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