NEET (NTANational Eligibility cum Medical Entrance Test) Physics: Questions 1964  1968 of 2142
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Question number: 1964
» Rotational Motion » Radius of Gyration
Question
Four particles each of mass m are placed at the corners of a square of side length L The radius of gyration of the system about an axis perpendicular to the square and passing through its center is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 1965
» Gravitation » Universal Law of Gravitation
Question
A particle is suspended from a spring and it stretches the spring by 2 cm on the surface of earth. The same particle will stretches the same spring at a place 600 km above earth surface by 
Choices
Choice (4)  Response  

a.  0.95 cm 

b.  1.35 cm 

c.  1.67 cm 

d.  1.8 cm 

Question number: 1966
» Gravitation » Gravitational Acceleration
Question
If the radius of the earth were to shrink by one percent its mass remaining the same, the acceleration due to gravity on the earth’s surface would 
Choices
Choice (4)  Response  

a.  Decrease 

b.  Remain unchanged 

c.  Increase 

d.  Question does not provide sufficient data or is vague 

Question number: 1967
» Gravitation » Gravitational Potential
Question
The radius of the earth is R _{e} and the acceleration due to gravity at its surface is g. The work required in raising a body of mass m to a height h form the surface of the earth will be,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 1968
» Rotational Motion » Values of Moments of Inertia
Question
Moment of inertia of a ring of mass M = 3 gm and radius R = 1 cm about an axis passing through its edge and parallel to its natural axis is,
Choices
Choice (4)  Response  

a.  10 gmcm ^{2} 

b.  6 gmcm ^{2} 

c.  100 gmcm ^{2} 

d.  1 gmcm ^{2} 
