MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Dispersive power of the material of the prism is 0.0221. If the deviation produced by it for yellow color is 38°, then the angular dispersion between red and violet color is? |
| A. | 0.84° |
| B. | 0.65° |
| C. | 0.48° |
| D. | 1.26° |
| Answer» B. 0.65° | |
| 2. |
A crown glass prism with refractive index 6° is to be achromatized for red and blue color light with flint glass prism. What will be the angle of flint glass prism? (µr = 1.513, µr‘ = 1.645, µ2 = 1.523 and µ2‘ = 1.665, Where µr and µ2 are refractive indices of red and blue light respectively whereas, µr‘ and µ2‘ are refractive indices of red and blue light respectively for flint glass.) |
| A. | 1.5° |
| B. | 2.4° |
| C. | 3° |
| D. | 4.5° |
| Answer» D. 4.5° | |
| 3. |
A thin prism P1 having angle 4° and refractive index 1.54 is combined with another thin prism P2 of refractive index 1.72 for producing dispersion without deviation. The angle of P2 is? |
| A. | 4° |
| B. | 5.33° |
| C. | 3° |
| D. | 2.6° |
| Answer» D. 2.6° | |
| 4. |
White light is passed through a prism having angle 5°. If the refractive indices for red color and blur color are 1.641 and 1.659 respectively. Find the angle between them. |
| A. | 3.295° |
| B. | 4° |
| C. | 0.090° |
| D. | 0.65° |
| Answer» D. 0.65° | |
| 5. |
Name the person, who formed “The Principle of least time“? |
| A. | Pierre de Fermat |
| B. | C.V Raman |
| C. | John Kepler |
| D. | Albert Abraham Michelson |
| Answer» B. C.V Raman | |
| 6. |
What will be the time taken by a ray of light travelling from one point to another, by any number of refractions & reflections follows that particular path? |
| A. | Highest |
| B. | Least |
| C. | Maximum |
| D. | Moderate |
| Answer» C. Maximum | |