Geostationary satellite completes one rotation around the earth in_______________?

Related Mcqs:

1. The radius of geostationary orbit from the centre of the earth is nearly______________?

   A. 42000km
   B. 36000km
   C. 24000 km
   D. 18000 km

2. The angular speed for daily rotation of the earth in rad S-1 is______________?

   A. 7.3 x 10 radians/second
   B. 7.3 x 5 radians/second
   C. 3.7 x 10 7.3 x 5 radians/second
   D. 7.3 x 10-5 radians/second

3. A satellite moving around the earth constitutes______________?

   A. An inertial frame of reference
   B. Non-inertial frame
   C. Neither inertial nor non-inertial
   D. Both inertial and non-inertial

4. 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

5. Moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R, the ratio of displacement to the covered path will be_______________?

   A. πR
   B. 2πR
   C. 0
   D. 4πR

6. An artificial satellite revolves round the Earth in circular orbit, which quantity remains constant?

   A. Angular Momentum
   B. Angular Displacement
   C. Linear Velocity
   D. None of the above

   Submitted by: Naveed Tahir

7. 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

8. Electrical resonance is observed in_______________?

   A. Radio
   B. Microwave oven
   C. Both in radio and microwave oven
   D. Neither in radio nor in a microwave oven

9. Excited atoms return to their ground state in_______________?

   A. 10-10s
   B. 10-8s
   C. 10-6s
   D. 10-9s

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

    A. 4
    B. 3
    C. 2
    D. 5