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

This section includes 3 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.	Identify X.
A.	Silvered Mirror
B.	Thin sheet
C.	Semi-silvered mirror
D.	Fluorescent screen
Answer» D. Fluorescent screen

Discussion

2.	When a plate of thickness 0.05 mm is placed in the path of a Michaelson Interferometer, a shift of 100 fringes is observed for a light of wavelength 5000 Å. What is the refractive index of the plate?
A.	1
B.	1.5
C.	2
D.	2.5
Answer» C. 2

Discussion

3.	In Michaelson interferometer, the position of mirror read 0.6025mm and 0.8970mm for a pair of consecutive bright. Mean wavelength of light is 5393 Å. The difference between the two wavelengths is ___
A.	3 Å
B.	4 Å
C.	5 Å
D.	6 Å
Answer» E.

Discussion

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

Identify X.

When a plate of thickness 0.05 mm is placed in the path of a Michaelson Interferometer, a shift of 100 fringes is observed for a light of wavelength 5000 Å. What is the refractive index of the plate?

In Michaelson interferometer, the position of mirror read 0.6025mm and 0.8970mm for a pair of consecutive bright. Mean wavelength of light is 5393 Å. The difference between the two wavelengths is ___