CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 192  195 of 463
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Question number: 192
» Atomic & Molecular Physics » Zeeman, PaschenBach & Stark Effects
Appeared in Year: 2014
Question
An atomic transition ^{1}P ^{1}S in a magnetic field 1 Tesla shows Zeeman splitting. Given that the Bohr magneton, and the wavelength corresponding to the transition is 250 nm, the separation in the Zeeman spectral lines is approximately, (December)
Choices
Choice (4)  Response  

a.  0.001 nm 

b.  10 nm 

c.  1.0 nm 

d.  0.1 nm 

Question number: 193
» Quantum Mechanics » Variational Method
Appeared in Year: 2011
Question
If the perturbation, where is a constant; is added to the infinite square well potential
The first order correction to ground state energy is:  (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 194
» Quantum Mechanics » WKB Approximation
Appeared in Year: 2014
Question
Consider a particle of mass m in the potential . The energy eigenvalues, in the WKB approximation, are – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 195
» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions
Appeared in Year: 2011
Question
Consider a Maxwellian distribution of the velocity of the molecules of an ideal gas. Let and denote the most probable velocity and the root mean square velocity, respectively. The magnitude of radio is: (December)
Choices
Choice (4)  Response  

a. 


b.  1 

c. 


d. 

