Gravitation (AIIMS Physics): Questions 1  4 of 6
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Question number: 1
» Gravitation » Gravitational Acceleration
Appeared in Year: 2009
Assertion (Ꭺ)
The difference in the value of acceleration due to gravity at pole and equator is proportional to square of angular velocity of earth.
Reason (Ꭱ)
The value of acceleration due to gravity is minimum at the equator and maximum at the pole.
Choices
Choice (4)  Response  

a.  Ꭺ is true but Ꭱ is false 

b.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ 

c.  Ꭺ is false but Ꭱ is true 

d.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ 

Question number: 2
» Gravitation » Kepler's Laws of Planetary Motion
Question
The distance of two planets from the sun are in the ratio 3: 1. Assuming that they are moving in circular orbits, what will be the ratio of their time periods?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 3
» Gravitation » Kepler's Laws of Planetary Motion
Question
A geo – stationary satellite orbiting the earth at a height 3R from the earth surface with time period of 2T. Another satellite is orbiting the earth at a height 0.6 R from the earth surface. Find the time period of this satellite.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 4
» Gravitation » Escape Velocity
Question
and are escape velocities on two planets whose radii are in the ratio 3: 1 and densities are in the ratio 1: 9. What is the relationship between and ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

