NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 1996  2000 of 2142
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Question number: 1996
» Gravitation » Gravitational Potential
Question
Two bodies of mass 10 ^{4} kg and 10 ^{5} kg are lying l m apart the gravitational potential at the midpoint of the line joining them is 
Choices
Choice (4)  Response  

a. 


b.  0 

c. 


d. 


Question number: 1997
» Rotational Motion » Moment of Inertia
Question
Two discs of the same material and thickness have radii 0.4 m and 0.8 m. Their moments of inertia about their axes will be in the ratio of
Choices
Choice (4)  Response  

a.  1: 81 

b.  1: 27 

c.  1: 16 

d.  1: 3 

Question number: 1998
» Rotational Motion » Values of Moments of Inertia
Question
Moment of inertia of a ring of mass M = 5 gm and radius R = 2 cm about an axis passing through its edge and parallel to its natural axis is
Choices
Choice (4)  Response  

a.  30 gmcm ^{2} 

b.  40 gmcm ^{2} 

c.  35 gmcm ^{2} 

d.  45 gmcm ^{2} 

Question number: 1999
» Gravitation » Gravitational Acceleration
Question
If the radius of the earth were to shrink by 25 % its mass remaining the same, the acceleration due to gravity on the earth’s surface would be given as
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2000
» Gravitation » Universal Law of Gravitation
Question
Two concentric shells of uniform density having masses M _{1} and M _{2} are situated as shown in the figure. The force on the particle of mass m when it is located at r = b is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

