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QJEEM11Ph9d24: JEE Main 2011 Physics - Class 12 JEEM11Ph9d24 Solution: This question has Statement - and Statement - . Of the four…
This question has Statement - and Statement - . Of the four choices given after the statements, choose the one that best describes the two statements.
Statement - : Sky wave signals are used for long distance radio communication. These signals are in general, less stable then ground wave signals.
Statement - : The state of ionosphere varies from hour to hour, day to day and season to season.
Statement - : Sky wave signals are used for long distance radio communication. These signals are in general, less stable then ground wave signals.
Statement - : The state of ionosphere varies from hour to hour, day to day and season to season.
Multiple Choice Options
- A Statement - is true, Statement - is true, Statement - is the correct explanation of Statement - .
- B Statement - is true, Statement - is true, Statement - is not the correct explanation of Statement - .
- C Statement - is false, Statement - is true
- D Statement - is true, Statement - is false.
Step-by-Step Verified Solution
For long distance communication, sky wave signals are used.
Also, the state of ionosphere varies every time. So, both statements are correct.
Also, the state of ionosphere varies every time. So, both statements are correct.