MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The refractive index is 2.33 and the critical angle is 350. Find the numerical aperture. |
| A. | t2 |
| B. | t1.9 |
| C. | t2.33 |
| D. | t12 |
| Answer» C. t2.33 | |
| 2. |
The core refractive index should be lesser than the cladding refractive index for a coaxial cable. State True/False |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 3. |
The numerical aperture of a material with acceptance angle of 60 degree in water will be |
| A. | t1.15 |
| B. | t2.15 |
| C. | t5.21 |
| D. | t1.52 |
| Answer» B. t2.15 | |
| 4. |
Find the acceptance angle of a material which has a numerical aperture of 0.707 in air. |
| A. | t30 |
| B. | t60 |
| C. | t45 |
| D. | t90 |
| Answer» D. t90 | |