Q.1
##### The time period of a satellite depends on _____
• a) the mass of the satellite
• b) radius of its orbit
• c) both mass of satellite and radius of the orbit
• d) neither mass of satellite nor radius of the orbit
Q.2
##### Consider two satellites A and B. Both move around the earth in the same orbit but the mass of B is twice that of the mass of A.
• a) Orbital speeds of A and B are equal
• b) The orbital speed of A is twice that of B
• c) The orbital speed of B is twice that of A
• d) The kinetic energy of both A and B are equal
Q.3
• a) 3:4
• b) 4:3
• c) 9:16
• d) 16:9
Q.4
• a) pi/2
• b) pi/4
• c) pi/6
• d) pi/8
Q.5
##### If a satellite is orbiting as close to the earth’s surface as possible _____
• a) its speed is maximum
• b) its speed is minimum
• c) it’s kinetic energy will be minimum
• d) it is not possible to quantify its kinetic energy
Q.6
• a) (r3*v/R)
• b) (r2*v3/R)
• c) (r3*v2/R)
• d) (r*v2/R2)
Q.7
##### A satellite revolves around a planet of radius “Q”. If the angular velocity of the satellite is “w” and the radius of the orbit is “4nQ”, where “n” is an integer, what is the acceleration due to gravity on the surface of the planet?
• a) (w2 x (nQ) 3/Q2)
• b) 16 (w2 x (nQ) 3/Q2)
• c) 64(w2 x (nQ) 3/Q2)
• d) 32(w2 x (nQ) 3/Q21)
Q.8
• a) 6400 km
• b) 3200 km
• c) 9600 km
• d) 4800 km
Q.9
• a) True
• b) False