Question is ⇒ For radiating ultraviolet rays, LEDs use, Options are ⇒ (A) zinc sulphide, (B) gallium arsenide, (C) gallium phosphide, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ For radiating ultraviolet rays, LEDs use, Options are ⇒ (A) zinc sulphide, (B) gallium arsenide, (C) gallium phosphide, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	For radiating ultraviolet rays, LEDs use
A.	zinc sulphide [Correct Answer]
B.	gallium arsenide [Wrong Answer]
C.	gallium phosphide [Wrong Answer]
D.	none of the above [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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