Work, Energy and Power (AIIMS (All India Institute of Medical Sciences) Physics): Questions 16  20 of 25
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Question number: 16
» Work, Energy and Power » WorkEnergy Theorem
Question
A bullet loses of its velocity when it passes through a plank. Find the maximum number of planks through which it can pass.
Choices
Choice (4)  Response  

a.  10 

b.  5 

c.  3 

d.  9 

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Question number: 17
» Work, Energy and Power » Conservative and NonConservative Forces
Question
A water drop of mass is introduced between two plates with separation. Calculate the force of attraction between the plates.
Choices
Choice (4)  Response  

a.  1.8 N 

b.  2.8 N 

c.  1.0 N 

d.  3.2 N 

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Question number: 18
» Work, Energy and Power » Kinetic Energy
Question
Find the mean translation kinetic energy of an oxygen molecule at 27^{0} C. (Given: Avogadro number and ).
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 19
» Work, Energy and Power » WorkEnergy Theorem
Question
A block of mass 20 kg is moving in xdirection with a constant speed of. It is subjected to a retarding force during its travel fromto . Its final kinetic energy will be –
Choices
Choice (4)  Response  

a.  500 joules 

b.  850 joules 

c.  750 joules 

d.  920 joules 

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Question number: 20
» Work, Energy and Power » WorkEnergy Theorem
Question
A bullet when fired at a target with a velocity of , penetrates 4.5 meter into it. If the bullet is fired with the same velocity at a similar target with a thickness 0.5 meter, then it will emerge from it with a velocity of –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

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