Laser MCQ Multiple Choice Questions Answers | Quiz for Practice

Q: 1. Why are lasers used in Laser Printers

Correct Answer is: They can be focused down to very small spot sizes for high resolution

Q: 2. Why are lasers used in fiber optic communications systems

Correct Answer is: They can be pulsed with high speed data

Q: 3. Why are lasers used for cutting materials

Correct Answer is: All of the above

Q: 4. Which scientist first came up with the idea of stimulated emission ?

Correct Answer is: Albert Einstein

Q: 5. Which laser is considered eye safe?

Correct Answer is: Laser bar-code scanners

Q: 7. What type of laser is used in CD and DVD players?

Correct Answer is: Semiconductor

Q: 8. What type of laser could cause skin cancer if not used properly?

Correct Answer is: Eximer laser

Q: 10. What is the type of laser used most widely in industrial materials processing applications?

Correct Answer is: Carbon Dioxide Laser

Q: 11. What is one way to describe a Photon?

Correct Answer is: A wave packet

Q: 12. What does the acronym MASER stand for?

Correct Answer is: Microwave Amplification by Stimulated Emission of Radiation

Practice Laser MCQs to strengthen your understanding of key concepts and prepare for exams, interviews, and more. These questions are ideal for students and aspirants at all levels.

About Laser MCQ Questions

Laser Multiple Choice Questions (MCQs) cover essential topics such as the principles of laser operation, types of lasers, applications, and safety measures. These questions are designed to test your knowledge and ensure a comprehensive grasp of the subject.

Why Practice Laser Objective Questions?

Practicing Laser MCQs offers several benefits. It helps you prepare for school and college exams, competitive exams, and job interviews. Regular practice enhances your understanding, boosts confidence, and improves your ability to recall important concepts quickly and accurately.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Laser MCQ Questions for Practice

1. Why are lasers used in Laser Printers

They can be focused down to very small spot sizes for high resolution
They are cheap
They are impossible to damage

2. Why are lasers used in fiber optic communications systems

The government has mandated it
They can be pulsed with high speed data
They are very inexpensive

3. Why are lasers used for cutting materials

It never gets dull
It has a small heat affected zone
Accuracy
All of the above

4. Which scientist first came up with the idea of stimulated emission ?

Alexander Graham Bell
Isaac Newton
Arthur Schalow
Albert Einstein

5. Which laser is considered eye safe?

Laser bar-code scanners
The eximer laser
Communications lasers

6. Which color of light has the shortest wavelength ?

Yellow
Blue
Red
Green

7. What type of laser is used in CD and DVD players?

Semiconductor
YAG
Alexandrite

8. What type of laser could cause skin cancer if not used properly?

Red semiconductor laser
Blue semiconductor
Eximer laser
YAG laser

9. What property of laser light is used to measure strain in roadways?

Intensity
Power
Coherence

10. What is the type of laser used most widely in industrial materials processing applications?

Dye Laser
YAG laser
Ruby Laser
Carbon Dioxide Laser

11. What is one way to describe a Photon?

Solid as a rock
A wave packet
A torpedo

12. What does the acronym MASER stand for?

Microwave Amplification by Stimulated Emission of Radiation
Molecular Absorption by Stimulated Emission of Radiation
The name of Albert Einsteins dog

13. What does the acronym LASER stand for?

Light Absorption by Stimulated Emission of Radiation
Light Amplification by Stimulated Emission of Radiation
Light Alteration by Stimulated Emission of Radiation

14. What determines the color of light?

its intensity
its wavelength
its source

15. The National Ignition Facility will use what type of laser for fusion power experimentation?

Neodymium-glass
Argon gas
Rhodamine Dye