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

Related Mcqs:

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

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

2. 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

3. 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

4. A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

   A. independent mass m
   B. directly proportional to m
   C. directly proportional to q
   D. directly proportional to B

5. 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

6. 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

7. 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

8. 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

9. When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?

   A. mV/r2
   B. mV/r
   C. mV2/r
   D. mV2/r2

10. 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