NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 2163  2165 of 2184
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Question number: 2163
» Electrostatics » Gauss's Law
Question
Five charges are fixed at their positions as shown in Fig. S is a Gaussian surface. The Gauss’s law is given by
Which of the following statements is correct?
Choices
Choice (4)  Response  

a.  on the LHS of the above equation will have a contribution from all charges while q on the RHS will have a contribution from only. 

b.  on the LHS of the above equation will have a contribution from while q on the RHS will have a contribution from only. 

c.  on the LHS of the above equation will have a contribution from all charges while q on the RHS will have a contribution from only. 

d.  on the LHS and on the RHS will have contributions from only. 

Question number: 2164
» Gravitation » Gravitational Acceleration
Question
Which of the following is a vector quantity?
Choices
Choice (4)  Response  

a.  Acceleration 

b.  Density 

c.  Temperature 

d.  Velocity 

Question number: 2165
Question
A parallel plate capacitor is connected to a battery as shown in figure. Consider two situations:
R: Key K is kept closed and plates of capacitors are moved apart using Insulating handle.
S: Key K is opened and plates of capacitors are moved apart using insulating handle.
Choose the correct option (s).
Choices
Choice (4)  Response  

a.  In R: Q remains same but C changes. 

b.  In R: V remains same and hence Q changes. 

c.  In S: Q remains same and hence V changes. 

d.  Both c. and b. are correct 
