MCQOPTIONS
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MCQOPTIONS
This section includes 6 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 angle at which the wave must be transmitted in air media if the angle of reflection is 45 degree is |
| A. | t45 |
| B. | t30 |
| C. | t60 |
| D. | t90 |
| Answer» B. t30 | |
| 2. |
The angle of incidence of a wave of a wave with angle of transmission 45 degree and the refractive indices of the two media given by 2 and 1.3 is |
| A. | t41.68 |
| B. | t61.86 |
| C. | t12.23 |
| D. | t27.89 |
| Answer» B. t61.86 | |
| 3. |
The angle of incidence is equal to the angle of reflection for perfect reflection. State True/False. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 4. |
The critical angle for two media with permittivities of 16 and 9 respectively is |
| A. | t48.59 |
| B. | t54.34 |
| C. | t60 |
| D. | t45 |
| Answer» B. t54.34 | |
| 5. |
The Snell s law is given by |
| A. | tN1 sin i = N2 sin t |
| B. | tN2 sin i = N1 sin t |
| C. | tsin i = sin t |
| D. | tN1 cos i = N2 cos t |
| Answer» B. tN2 sin i = N1 sin t | |
| 6. |
The Snell s law can be derived from which type of incidence? |
| A. | tIncidence angle |
| B. | tReflected angle |
| C. | tRefracted angle |
| D. | tOblique incidence |
| Answer» E. | |