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
Sky wave signal are used for long distance radio communication. These signal are in general, less stable than ground wave signals. (AIEEE)
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. | |
b. | Only statement Ⅰ is true. | |
c. | Only statement Ⅱ is true. | |
d. | All the statements are correct. | |