Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in aptitude-area
Multiple Choice Question in non-verbal-reasoning-grouping-of-images
Multiple Choice Question in aptitude-compound-interest
Multiple Choice Question in engineering-mechanics-kinetics-of-a-particle-impulse-and-momentum
Multiple Choice Question in database-database-redesign
Multiple Choice Question in 035/2016
Question Answer in malayalam-kerala-psc-questions
Multiple Choice Question in malayalam-kerala-psc-questions
Multiple Choice Question in current-affairs-2017-03-05
Question Answer in KERALA PSC
Multiple Choice Question in KERALA PSC
Multiple Choice Question in electronic-devices-bipolar-junction-transistors
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
Question Set
electronics and communication engineering electronic devices and circuits
1. For radiating ultraviolet rays, LEDs use
(A): gallium arsenide
(B): gallium phosphide
(C): none of the above
(D): zinc sulphide
Previous Question
Show Answer
Next Question
Add Tags
Report Error
Show Marks
Ask Your Doubts Here
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
Show Similar Question And Answers
QA->Which type of glass can cut of ultraviolet rays?....
QA->Which type of glass can cut off ultraviolet rays?....
QA->The type of glass which can cut off ultraviolet rays:....
QA->The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is?....
QA->During which period of evolution man discovered the use of jute and began to use cloth made of jute?....
MCQ->For radiating ultraviolet rays, LEDs use....
MCQ->A dipole antenna was radiating with some excitation in free space radiating a certain amount of the power. If this antenna is immersed in a lake where water is non-dissipative but has a dielectric constant of 81, the radiated power with the same excitation will....
MCQ->Who discovered ultraviolet rays?....
MCQ->The ultraviolet rays from the sunlight cause....
MCQ->The application of Gamma rays destroys botulism toxin. The dose of gamma rays required for this purpose is....
×
×
Type The Issue
×
Your Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions
Question ANSWER With Solution