MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Identify X. |
| A. | Silvered Mirror |
| B. | Thin sheet |
| C. | Semi-silvered mirror |
| D. | Fluorescent screen |
| Answer» D. Fluorescent screen | |
| 2. |
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. | |
| 3. |
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 Å |
| B. | 5000 Å |
| C. | 6000 Å |
| D. | 7000 Å |
| Answer» D. 7000 Å | |
| 4. |
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 Å |
| B. | 5245 Å |
| C. | 4965 Å |
| D. | 6894 Å |
| Answer» B. 5245 Å | |
| 5. |
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 | |
| 6. |
How much shift was expected in Michaelson-Morley experiment? |
| A. | 0.01 |
| B. | 0.02 |
| C. | 0.03 |
| D. | 0.04 |
| Answer» E. | |
| 7. |
The device used in the Michaelson Morley experiment was ______ |
| A. | Telescope |
| B. | Plain Grating |
| C. | Interferometer |
| D. | Prism |
| Answer» D. Prism | |
| 8. |
The result of the Michaelson Morley experiment was as expected. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
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 | |