Explore topic-wise MCQs in Engineering Physics Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The output of a laser has pulse duration of 30 ms and average output power of 1 W per pulse. How much energy is released per pulse if wavelength is 6600 Å?

A. 0.001 J
B. 0.002 J
C. 0.003 J
D. 0.004 J
Answer» D. 0.004 J
Discussion
2.

After pumping, Which level will the atom jump to?

A. Exited State
B. Meta-stable state
C. Higher than exited state
D. Remain in ground state
Answer» B. Meta-stable state
Discussion