Minimum number of communication satellites required to cover the whole earth is______________?

Related Mcqs:

The critical speed of an artificial satellite is_______________?

A. 8 Kms-1 B. 8.1 Kms-1 C. 7.9 Kms-1 D. 8 ms-1...

Geostationary satellite completes one rotation around the earth in_______________?

A. 3 hours B. 6 hours C. 12 hours D. 24 hours...

According to Einstein, the gravitational interaction is possible between_______________?

A. material objects only B. material objects and electromagnetic radiation only C. electromagnetic radiations D. none of the above...

In case of planets the necessary acceleration is provided by______________?

A. Gravitational force B. Frictional force C. Coulomb force D. Centripetal force...

A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be_____________?

A. πR B. 2π R C. 0 D. 4πR...