MCQ quiz on Laser multiple choice questions and answers on Laser MCQ questions on Laser Higher Engineering Physics objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

Laser Question and Answer


1. Why are lasers used in Laser Printers

  1. They can be focused down to very small spot sizes for high resolution
  2. They are cheap
  3. They are impossible to damage
  4. They can be focused down to very small spot sizes for high resolution
  5. They are cheap
  6. They are impossible to damage
  7. They can be focused down to very small spot sizes for high resolution
  8. They are cheap
  9. They are impossible to damage
  10. They can be focused down to very small spot sizes for high resolution
  11. They are cheap
  12. They are impossible to damage

2. Why are lasers used in Laser Printers

  1. They can be focused down to very small spot sizes for high resolution
  2. They are cheap
  3. They are impossible to damage
  4. They can be focused down to very small spot sizes for high resolution
  5. They are cheap
  6. They are impossible to damage
  7. They can be focused down to very small spot sizes for high resolution
  8. They are cheap
  9. They are impossible to damage
  10. They can be focused down to very small spot sizes for high resolution
  11. They are cheap
  12. They are impossible to damage

3. Why are lasers used in Laser Printers

  1. They can be focused down to very small spot sizes for high resolution
  2. They are cheap
  3. They are impossible to damage
  4. They can be focused down to very small spot sizes for high resolution
  5. They are cheap
  6. They are impossible to damage
  7. They can be focused down to very small spot sizes for high resolution
  8. They are cheap
  9. They are impossible to damage
  10. They can be focused down to very small spot sizes for high resolution
  11. They are cheap
  12. They are impossible to damage

4. Why are lasers used in Laser Printers

  1. They can be focused down to very small spot sizes for high resolution
  2. They are cheap
  3. They are impossible to damage
  4. They can be focused down to very small spot sizes for high resolution
  5. They are cheap
  6. They are impossible to damage
  7. They can be focused down to very small spot sizes for high resolution
  8. They are cheap
  9. They are impossible to damage
  10. They can be focused down to very small spot sizes for high resolution
  11. They are cheap
  12. They are impossible to damage

5. Which color of light has the shortest wavelength ?

  1. Yellow
  2. Blue
  3. Red
  4. Green

6. Most lasers are electrically inefficient devices

  1. True Statement
  2. False Statement
  3. True Statement
  4. False Statement

7. Most lasers are electrically inefficient devices

  1. True Statement
  2. False Statement
  3. True Statement
  4. False Statement

8. Why are lasers used in fiber optic communications systems

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

9. Why are lasers used for cutting materials

  1. It never gets dull
  2. It has a small heat affected zone
  3. Accuracy
  4. All of the above

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

  1. Alexander Graham Bell
  2. Isaac Newton
  3. Arthur Schalow
  4. Albert Einstein
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