Laser Interview Questions

Q: Which of the following is a unique property of laser?

The correct answer is Coherence

Q: Which of the following is an example of optical pumping?

The correct answer is Ruby laser

Q: Which of the following can be used for generation of laser pulse?

The correct answer is Nd- YAG laser

Q: What is the need to achieve population inversion?

The correct answer is To excite most of the atoms

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Total Questions: 5

1. Which of the following is a unique property of laser?

A. Directional

B. Speed

C. Coherence

D. Wavelength

Correct Answer is : Coherence

2. Which of the following is an example of optical pumping?

A. Ruby laser

B. Helium-Neon laser

C. Semiconductor laser

D. Dye laser

Correct Answer is : Ruby laser

3. When laser light is focussed on a particular area for a long time, then that particular area alone will be heated.

A. TRUE

B. FALSE

Correct Answer is : TRUE

4. Which of the following can be used for generation of laser pulse?

A. Ruby laser

B. Carbon dioxide laser

C. Helium neon laser

D. Nd- YAG laser

Correct Answer is : Nd- YAG laser

5. What is the need to achieve population inversion?

A. To excite most of the atoms

B. To bring most of the atoms to ground state

C. To achieve stable condition

D. To reduce the time of production of laser

Correct Answer is : To excite most of the atoms

Laser interview questions