Which factor decide the colour of the light emitted from a Led?

Which factor decide the colour of the light emitted from a
Led?

Question Posted / ram_svepl

3 Answers
13530 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Which factor decide the colour of the light emitted from a Led?..

Answer / yuvi

The colour of an LED is determined by the semiconductor
material used in it

Is This Answer Correct ?

14 Yes

6 No

Which factor decide the colour of the light emitted from a Led?..

Answer / ragu

THE FACTORS DEPEND UPON THE WAVE LENGTH OR FREQUENCY OF THE
LIGHT EMITTED. IT IS BASICALLY DEPENDS UPON THE CHARGE THAT
IS DISCHARGE DURING THE JUMPING OF ELECTRONS FROM HIGHER
ENERGY LEVEL TO LOWER ENERGY LEVEL..

Is This Answer Correct ?

12 Yes

7 No

Which factor decide the colour of the light emitted from a Led?..

Answer / kaparapu sreekanth

colour of LED depends on frequency,so colour of light varies by adding impurities while doping

Is This Answer Correct ?

2 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

which type of motor we are using in local train???

4 Answers Asia MotorWorks AMW,

how to convert single phase supply to 3 phase or 3 phase to single..?

7 Answers Wipro,

What is hipot test procedure?

0 Answers CCC,

What are the types of transformers according to the arrangement of iron cores?

0 Answers

why inductancce of armature inductance of dc machines is neglected?

2 Answers APPSC,

How to check the LM324 Ic

0 Answers

why current is constant on d.c?

0 Answers

What is CBCT ? Why & Where it is used?

14 Answers BCT,

what is rise time and half time

1 Answers NHPC,

How will you Protect aeroplanes and Ships from Lightining?

3 Answers Parco,

Why transformer is rated in kva?

4 Answers L&T, NDPC,

What is electrical diversity factor in electrical installations?

0 Answers

For more Electrical Engineering Interview Questions Click Here