MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Which color appears at the top when white light is incident on a glass prism? |
| A. | Violet |
| B. | Indigo |
| C. | Red |
| D. | Yellow |
| Answer» D. Yellow | |
| 2. |
The refractive index of a parallel glass slab is 1.57. A light, from medium Y, is incident on the glass slab. If the angle of incidence is 37°, then the angle of emergence, when the light emerges back to medium Y, is ____ |
| A. | 37° |
| B. | 45° |
| C. | 54° |
| D. | 60° |
| Answer» B. 45° | |
| 3. |
A light is incident on a glass slab. The angle of incidence is 54° while the angle of refraction is 30°. What will be the speed of light in the glass slab? |
| A. | v = 1.85 X 108m/s |
| B. | v = 2.85 X 108m/s |
| C. | v = 3.85 X 108m/s |
| D. | v = 4.85 X 108m/s |
| Answer» B. v = 2.85 X 108m/s | |
| 4. |
What is the difference between the actual sunset and apparent sunset? |
| A. | 2 seconds |
| B. | 30 seconds |
| C. | 1 minute |
| D. | 2 minutes |
| Answer» E. | |
| 5. |
The unit of refractive index is _____________ |
| A. | m/s |
| B. | radians |
| C. | s-1 |
| D. | no unit |
| Answer» E. | |
| 6. |
The speed of light in medium A is 1.4 X 108m/s. What is the refractive index of the medium? |
| A. | Colored Image form |
| B. | Black and white image form |
| C. | 3-D image form |
| D. | Coded form |
| Answer» E. | |
| 7. |
Arrange the slabs in the increasing order of the refractive index. |
| A. | A > B > C |
| B. | B > A > C |
| C. | C > A > B |
| D. | C > B > A |
| Answer» D. C > B > A | |
| 8. |
When light is incident on a parallel-sided slab on one side, the shift between the incident and emergent ray is called as _____________ |
| A. | Parallel Shift |
| B. | Ray Shift |
| C. | Lateral Shift |
| D. | Normal Shift |
| Answer» D. Normal Shift | |
| 9. |
If the light is incident on an optically denser medium, then what is the relationship between the angle of incidence, I, and the angle of refraction, r? |
| A. | r > i |
| B. | i > r |
| C. | i = r |
| D. | r = 0 |
| Answer» C. i = r | |
| 10. |
The velocity is higher in the medium whose refractive index is ______________ |
| A. | Lower |
| B. | Higher |
| C. | 1 |
| D. | Same as the first medium |
| Answer» B. Higher | |