CSIR Physical Sciences: Questions 197  200 of 389
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Question number: 197
» Thermodynamic and Statistical Physics » Phase Space
Appeared in Year: 2011
Question
Consider the transition of liquid water to steam as water boils at a temperature of 100^{0} C under a pressure of 1 atmosphere. Which one of the following quantities does not change discontinuously at the transition?  (June)
Choices
Choice (4)  Response  

a.  The internal energy 

b.  The entropy 

c.  The specific volume 

d.  The Gibbs free energy 

Question number: 198
» Nuclear and Particle Physics » Semiempirical Mass Formula
Appeared in Year: 2014
Question
If the binding energy B of a nucleus (mass number A and charge Z) is given by,
; where , then the Z for the most stable isobar for a nucleus with is –
(December)
Choices
Choice (4)  Response  

a.  68 

b.  92 

c.  84 

d.  72 

Question number: 199
» Mathematical Methods of Physics » Introductory Group Theory  SU(2) and O(3)
Appeared in Year: 2014
Question
Let and be complex numbers. Which of the following sets of matrices forms a group under matrix multiplication? (December)
Choices
Choice (4)  Response  

a.  where 

b.  , where is real 

c.  where 

d. 


Question number: 200
» Thermodynamic and Statistical Physics » Maxwell Relations
Appeared in Year: 2011
Question
A system of N non – interacting spin particles is placed in external magnetic field H. The behaviour of the entropy of the system as a function of energy is given by – (December)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
