NEET Physics: Questions 1998  2002 of 2142
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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. 


Question number: 2001
» Rotational Motion » Values of Moments of Inertia
Question
A constant torque of 31.4 Nm is exerted on a pivoted wheel. If angular acceleration of wheel is 4π rad/sec ^{2}, then the moment of inertia of the wheel is
Choices
Choice (4)  Response  

a.  4.5 kgm ^{2} 

b.  5.5 kgm ^{2} 

c.  2.5 kgm ^{2} 

d.  1.5 kgm ^{2} 

Question number: 2002
» Rotational Motion » Moment of Inertia
Question
A disc is of mass M and radius R. The moment of inertia of it about an axis tangential to its edge and in polarize of the disc or parallel to its diameter is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

