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

This section includes 4 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.

A wave equation is y=0.1sin[100πt-kx] and wave velocity is 100m/s, its number is equal to __________

A. 1/m
B. 2/m
C. π/m
D. 2π/m
Answer» D. 2π/m
Discussion
2.

y1=4sin⁡(ωt+kx), y2=-4cos⁡(ωt+kx), the phase difference is __________

A. π/2
B. 3π/2
C. π
D. Zero
Answer» C. π
Discussion
3.

If wave y=Acos(ωt+kx) Is moving along x-axis, the shapes of a pulse at t=0 and t=2s.

A. Are different
B. Are same
C. May not be the same
D. Unpredictable
Answer» C. May not be the same
Discussion
4.

It takes 2 seconds for a sound wave to travel between two fixed points when the day temperature is 10°C. If the temperature rises to 30°C, the sound wave travels between the same fixed parts in __________

A. 1.9s
B. 2s
C. 2.1s
D. 2.2s
Answer» B. 2s
Discussion