GravitationGravitational Acceleration (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 10  15 of 20
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Question number: 10
» Gravitation » Gravitational Acceleration
Question
What will be the acceleration due to gravity on the surface of the moon if its radius is th the radius of the earth and its mass is th the mass of the earth
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 11
» Gravitation » Gravitational Acceleration
Assertion (Ꭺ)
There is no effect of rotation of earth on the value of acceleration due to gravity at poles.
Reason (Ꭱ)
Rotation of earth is about polar axis.
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are false 

b.  Ꭺ is false but Ꭱ is true 

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

d.  Ꭺ is true but Ꭱ is false 

Question number: 12
» Gravitation » Gravitational Acceleration
Question
At what height above the earth’s surface the acceleration due to gravity will be of its value at the earth’s surface? (Radius of earth is 6400 km)
Choices
Choice (4)  Response  

a.  128 km 

b.  128000 km 

c.  1280 km 

d.  12800 km 

Question number: 13
» Gravitation » Gravitational Acceleration
Question
What will be the acceleration due to gravity on the surface of the moon if its radius is the radius of the earth and its mass is the mass of the earth?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 14
» Gravitation » Gravitational Acceleration
Question
At what height above the earth’s surface does the force of gravity decrease by 10%? Assume radius of earth to be 6370 km.
Choices
Choice (4)  Response  

a.  245 km 

b.  300 km 

c.  150 km 

d.  345 km 

Question number: 15
» Gravitation » Gravitational Acceleration
Question
If the value of ‘g’ at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

