Explore topic-wise MCQs in Engineering Physics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

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 . The difference between the two wavelengths is ___

A. 3
B. 4
C. 5
D. 6
Answer» E.
Discussion
2.

When a thin plate of refractive index 1.5 is placed in the path of one of interfering beams of Michaelson Interferometer, a shift of 30 fringes is observed. If the thickness of plate is 0.018 mm, the wavelength of the used light is ____

A. 4000
B. 5000
C. 6000
D. 7000
Answer» D. 7000
Discussion
3.

When the movable mirror of a Michaelson Interferometer is shifted through 0.0589 mm, 200 fringes cross the field. What is the wavelength of the light?

A. 5890
B. 5245
C. 4965
D. 6894
Answer» B. 5245
Discussion
4.

The fringes of equal inclination produced by using Michaelson Interferometer are called as ____

A. Equi-inclination Fringes
B. Michaelson s Fringes
C. Haidinger s Fringes
D. Morley s Fringes
Answer» D. Morley s Fringes
Discussion
5.

How much shift was expected in Michaelson-Morley experiment?

A. 0.01
B. 0.02
C. 0.03
D. 0.04
Answer» E.
Discussion
6.

The device used in the Michaelson Morley experiment was ______

A. Telescope
B. Plain Grating
C. Interferometer
D. Prism
Answer» D. Prism
Discussion
7.

The result of the Michaelson Morley experiment was as expected.

A. True
B. False
Answer» C.
Discussion
8.

Which of the following were one of the conclusions of the Michaelson Morley experiment?

A. All laws of physics remain invariant in all inertial frames
B. Light propagates with different speeds in different directions
C. Ether has no observable properties
D. The velocity of light in free space is constant
Answer» D. The velocity of light in free space is constant
Discussion