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

Related Mcqs:

1. How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?

   A. 365 days B. 730 days C. 329 days D. 129 days...

2. 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...

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

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

4. Geostationary satellite completes one rotation around the earth in_______________?

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

5. 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...

6. The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?

   A. a circle B. a spiral C. an ellipse D. helix...

7. Electron moves in the orbit as________________?

   A. Simple vibratory motion B. Standing wave motion C. Vibratory motion like up and down D. S.H.M likes the sound...

8. Ground state energy of the 4th orbit in a H-atom is_____________?

   A. 13.60 eV B. 3.40 eV C. 0.85 eV D. 1.51 eV...

9. The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

   A. Ke2/rn B. Ke2/rn2 C. ÀKe2/rn D. ÀKe2/rn2...

10. Boltzman constant K in terms of universal gas constant R and Avagadros number Na is give as_______________?

    A. K = RNa B. K = R/Na C. K = Na/Ra D. K = nRNa...