This question has Statement – 1 and Statement – 2. Of the four choices given after the statements,choose the one that best describes the two statements.Statement-1 : Sky wave signals are used for long distance radio communication. These signals are ingeneral, less stable than ground wave signals.Statement-2 : The state of ionosphere varies from hour to hour, day to day and season to season.(1) Statement-1 is true, Statement-2 is true; Statement-2 is the correct explanation of Statement-1.(2) Statement-1 is true, Statement-2 is true; Statement-2 is not the correct explanation of Statement-1.(3) Statement-1 is false, Statement-2 is true.(4) Statement-1 is true, Statement-2 is false.??
putus , 11 Years ago
Grade 11