The energy required to take a satellite to a height 'h' above Earth surface (radius of Earth = 6.4 × 103 km) is E1 and kinetic energy required for the satellite to be in a circular orbit at this height is E2. The value of h for which E1 and E2 are equal, is:

The energy required to take a satellite to a height 'h' above Earth su

1.	The energy required to take a satellite to a height 'h' above Earth surface (radius of Earth = 6.4 × 103 km) is E1 and kinetic energy required for the satellite to be in a circular orbit at this height is E2. The value of h for which E1 and E2 are equal, is:
A.	1.6 × 103 km
B.	3.2 × 103 km
C.	6.4 × 103 km
D.	1.28 × 104 km
Answer» C. 6.4 × 103 km