Electronic Devices - Special-Purpose Diodes - Discussion

Discussion Forum : Special-Purpose Diodes - General Questions (Q.No. 29)
29.
A laser diode normally emits
coherent light.
monochromatic light.
coherent and monochromatic light.
neither coherent nor monochromatic light.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Stranger said:   1 decade ago
The answer B is right, but it is INCOMPLETE.

The light proceeded by LASER is "COHERENT" and "MONOCHROMATIC", always.

Firstly, it is coherent because it has "SINGLE DIRECTION or ORDERED".

Secondly, it is monochromatic because it has "ONLY ONE WAVELENGTH or COLOR'.

Michael said:   1 decade ago
What are those light? Can you explain them to me please?

Abhishek said:   1 decade ago
Why not B?

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