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Class 12 Physics Practice Test: Communication Systems - Propagation of Electromagnetic Waves
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Class 12 Physics Practice Test: Communication Systems - Propagation of Electromagnetic Waves
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10 Questions

1. Identify the layer where ozone is present.
2. The maximum distance upto which TV transmission from a TV tower of height h can be received is proportional to which of the following?
3. The biological importance of the ozone layer is to stop the greenhouse effect.
4. What is the maximum distance upto which the TV transmission can be received, if the TV tower has a height of 220 m?
5. Identify a suitable frequency for skywave propagation.
6. The biological importance of the ozone layer is to stop the greenhouse effect.
7. What is the physical significance of the Ozone layer in the atmosphere?
8. The phase difference between space current and capacitive displacement current is 0 rad, when radio waves undergo the ionosphere.
9. The phase difference between space current and capacitive displacement current is 0 rad, when radio waves undergo the ionosphere.
10. Identify the layer where ozone is present.