NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 422  426 of 2184
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Question number: 422
» Electrostatics » Equipotential Surfaces
Question
A uniform electric field pointing in positive x  direction exists in a region. Let A be the origin, B be the point on the x  axis at x =+1 cm and C be the point on the y  axis at y =+1 cm. Then the potentials at the points A, B and C satisfy
Choices
Choice (4)  Response  

a.  V _{A} < V _{C} 

b.  V _{A} < V _{B} 

c.  V _{A} > V _{C} 

d.  V _{A} > V _{B} 

Question number: 423
» Properties of Solids & Liquids » Specific Heat Capacity
Question
The specific heat of a solid is determined by the method known as?
Choices
Choice (4)  Response  

a.  The method of fusion 

b.  The method of cooling 

c.  The method of mixture 

d.  The method of vaporization 

Question number: 424
» Electrostatics » Electric Charges
Question
Assertion (Ꭺ)
Electrons move away from a low potential to high potential region.
Reason (Ꭱ)
because electrons have negative charge
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ 

b.  Ꭺ is false but Ꭱ is true 

c.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ 

d.  Ꭺ is true but Ꭱ is false 

Question number: 425
Question
Two capacitors of capacitances 3µF and 6µFare charged to a potential of 12V each. They are now connected to each other, with the positive plate of each joined to the negative plate of the other. The potential difference across each will be
Choices
Choice (4)  Response  

a.  4 volt 

b.  zero 

c.  3 volt 

d.  6 volt 

Question number: 426
» Electrostatics » Torque on a Dipole in a Uniform Electric Field.
Question
Electric charges q, q, 2q are placed at the corners of an equilateral triangle ABC of side l. The magnitude of electric dipole moment of the system is
Choices
Choice (4)  Response  

a.  ql 

b.  4q l 

c. 


d.  2ql 
