MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A lens has a power of +3 diopters in air. What will be the power of the lens if it is completely immersed in water? Given, μg = \(\frac {3}{2}\) and μw = \(\frac {4}{3}\). |
| A. | 5 D |
| B. | 3 D |
| C. | 1 D |
| D. | \(\frac {3}{4}\) D |
| Answer» D. \(\frac {3}{4}\) D | |
| 2. |
Identify the Lens Maker’s Formula. |
| A. | f=(μ-1)\( ( \frac {1}{R_1} – \frac {1}{R_2} ) \) |
| B. | \(\frac {1}{f}\)=(μ-1)\( ( \frac {1}{R_1} – \frac {1}{R_2} ) \) |
| C. | \(\frac {1}{f}\)=(μ+1)\( ( \frac {1}{R_1} – \frac {1}{R_2} ) \) |
| D. | \(\frac {1}{f}\)=(μ-1)\( ( \frac {1}{R_1} + \frac {1}{R_2} ) \) |
| Answer» C. \(\frac {1}{f}\)=(μ+1)\( ( \frac {1}{R_1} – \frac {1}{R_2} ) \) | |
| 3. |
X is thicker in the middle than at the edges, whereas, Y is thicker at the edges than in the middle. Identify ‘X’ and ‘Y’. |
| A. | X = concave lens; Y = convex lens |
| B. | X = convex lens; Y = concave lens |
| C. | X = plane lens; Y = convex lens |
| D. | X = concave lens; Y = plane lens |
| Answer» C. X = plane lens; Y = convex lens | |