NEET Physics: Questions 415  419 of 2099
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Question number: 415
Question
A capacitor of capacity C _{1} is charged up to V volt and then connected to an uncharged capacitor of capacity C _{2}. Then final potential difference across each will be
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 416
Question
A wheel having moment of inertia 5 kg m ^{2} about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel’s rotation in 1 minute would be
Choices
Choice (4)  Response  

a. 
 
b.  2 π 15 N m  
c. 
 
d. 

Question number: 417
» Properties of Solids & Liquids » Hooke's Law
Question
The shape of stress vs strain graph within elastic limit is:
Choices
Choice (4)  Response  

a.  Straight line  
b.  ellipse  
c.  Parabolic  
d.  curve line 
Question number: 418
» Physics and Measurement » Accuracy and Precision of Measuring Instruments
Question
If h be the elevation or depression of a spherical surface from the plane glass plate and o be the mean distance between two consecutive points corresponding to the impressions made by the three legs of a spherometer then the radius of curvature is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 419
» Kinematics » Uniform and NonUniform Motion
Question
A fire man has to carry an injured person of mass 30 kg from the top of a building with the help of the rope which can withstand a load of 150 kg. The acceleration of the
Fireman if his mass is 50 kg, will be
Choices
Choice (4)  Response  

a.  17.97 m/s ^{2}  
b.  9.8 m/s ^{2}  
c.  8.575 m/s ^{2}  
d.  2.63 m/s ^{2} 