Verified Solution • 2025–26 Session moderate

QJEEM11Ph9d24: JEE Main 2011 Physics - Class 12 JEEM11Ph9d24 Solution: This question has Statement - and Statement - . Of the four…

This question has Statement - 11 and Statement - 22 . Of the four choices given after the statements, choose the one that best describes the two statements.
Statement - 11 : Sky wave signals are used for long distance radio communication. These signals are in general, less stable then ground wave signals.
Statement - 22 : The state of ionosphere varies from hour to hour, day to day and season to season.

Multiple Choice Options

  • A Statement - 11 is true, Statement - 22 is true, Statement - 22 is the correct explanation of Statement - 11 .
  • B Statement - 11 is true, Statement - 22 is true, Statement - 22 is not the correct explanation of Statement - 11 .
  • C Statement - 11 is false, Statement - 22 is true
  • D Statement - 11 is true, Statement - 22 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.

Related Learning Resources & Exam Preparation