CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 161  163 of 463
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 161
» Thermodynamic and Statistical Physics » Phase Equilibria
Appeared in Year: 2011
Question
A particle is confined to the region by a potential which increases linearly as . The mean position of the particle at temperature T is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 162
» Thermodynamic and Statistical Physics » Random Walk
Appeared in Year: 2014
Question
A random walker takes a step of unit length in the positive direction with probability and a step of unit length in the negative direction with probability. The mean displacement of the walker after n steps is – (December)
Choices
Choice (4)  Response  

a.  0 

b. 


c. 


d. 


Question number: 163
» Electromagnetic Theory » Scalar and Vector Potentials
Appeared in Year: 2014
Question
A scalar and vector potential and are determine up to a gauge transformation and , where is an arbitrary continuous and differential function of and . If we further impose the Lorenz gauge condition,
Then a possible choice for the gauge function is – (Where are nonzero constants with ) (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

