Discussion
In a laser (say neon laser) all the atoms emit the light waves of
Answer: D
In a laser all the atoms emit light of the same frequency, amplitude and phase.
This is what stimulated emission means: a passing photon triggers an excited atom to emit a photon identical to it in every respect. The result is a beam that is monochromatic, coherent and almost perfectly parallel.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development