Communication Skills (JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics): Questions 1 - 1 of 1
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Question number: 1
» Communication Skills » Sky and Space Wave Propagation
Appeared in Year: 2011
True-False▾
Statements
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Sky wave signal are used for long distance radio communication. These signal are in general, less stable than ground wave signals. (AIEEE)
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The state of ionosphere varies from hour to hour, day to day and season to season.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | None of the statements is correct. |
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| b. | Only statement Ⅰ is true. |
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| c. | Only statement Ⅱ is true. |
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| d. | All the statements are correct. |
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