NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 1996  2000 of 2320
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Question number: 1996
» Gravitation » Universal Law of Gravitation
Question
Assertion (Ꭺ)
Gravitational force between two particles is negligibly small compared to the electrical force.
Reason (Ꭱ)
The electrical force is experienced by charged particles only.
Choices
Choice (4)  Response  

a.  Ꭺ is false but Ꭱ is true  
b.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ  
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: 1997
» 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: 1998
» 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: 3  
c.  1: 27  
d.  1: 16 
Question number: 1999
» 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.  45 gmcm ^{2}  
d.  35 gmcm ^{2} 
Question number: 2000
» 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. 
