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.

What will be the direction of Poynting vector?

A. x direction
B. y direction
C. z direction
D. -z direction
Answer» E.
Discussion
2.

The amplitude of the electric field in a parallel beam of light of intensity 3 W/m2 is __________

A. 23.4 N/C
B. 34.5 N/C
C. 47.53 N/C
D. 51.45 N/C
Answer» D. 51.45 N/C
Discussion
3.

Earth receives 2 cal/min/cm2 of solar energy. What is the value of \mid H\mid?

A. 1.98 A/m
B. 2.45 A/m
C. 3.75 A/m
D. 4.13 A/m
Answer» B. 2.45 A/m
Discussion
4.

In free space, E(z,t) = 103sin(ωt – βz) \(\hat{y}\). Obtain H(z,t).

A. 1.23 sin (ωt – βz) (-\(\hat{y}\))
B. 1.23 sin(ωt – βz) (-\(\hat{x}\))
C. 2.65 sin (ωt – βz) (-\(\hat{y}\))
D. 2.65 sin(ωt – βz) (-\(\hat{x}\))
Answer» E.
Discussion