Question

An artificial satellite is made to move in circular orbits of different radii around the earth. The variation of its K.E., P.E. and total energy (E) in different orbits is shown in the figure by different curves

• A. A represents the P.E., B the K.E. and C the total energy
• B. A represents the total energy, B the K.E. and C the P.E.
• C. A represents the K.E. , B the P.E. and C the total energy
• D. C represents the K.E,B the total energy and A the potential energy

Answer 1

The correct option is D C represents the K.E,B the total energy and A the potential energy

E & P. E are negative thats why they lie in negative side of energy.

K.E is positive i.e above axis.

$E=\frac{1}{2}P.E$ $E=-K.E$

$\therefore C$ represents K.E & A & B represent P.E & total energy respectively.

Hence correct option is (D)