MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
A radio station broadcasts its programme at 219.3 metre wavelength. Determine the frequency of radio waves if velocity of radio waves is 3×108 m/s. |
| A. | 7.31×10-7 Hz |
| B. | 1.954×10-6 Hz |
| C. | 1.368×106 Hz |
| D. | 6.579×1010 Hz |
| Answer» D. 6.579×1010 Hz | |
| 2. |
Wien’s displacement law holds good only for shorter wavelength. |
| A. | False |
| B. | True |
| Answer» C. | |
| 3. |
Rayleigh-Jean’s law holds good for which of the following? |
| A. | Shorter wavelength |
| B. | Longer wavelength |
| C. | High temperature |
| D. | High energy |
| Answer» C. High temperature | |