GATE (Graduate Aptitude Test in Engineering) Physics: Questions 286  291 of 659
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Question number: 286
» Solid State Physics » Diffraction Methods for Structure Determination
Appeared in Year: 2010
Question
Consider diffraction from a crystal with a face – centered – cubic lattice. The lattice plane for which there is no diffraction peak is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 287
» Nuclear and Particle Physics » Beta Decay
Appeared in Year: 2010
Question
The basic process underlying the neutron decay is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 288
» Mathematical Physics » Laplace Transforms
Appeared in Year: 2010
Question
If , then the Laplace transform of is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Passage
In a one – dimensional harmonic oscillator, and are respectively the ground, first and the second excited states. These three states are normalized and are orthogonal to one another.
, where is a constant.
Question number: 289 (1 of 2 Based on Passage) Show Passage
» Quantum Mechanics » Harmonic Oscillator
Appeared in Year: 2011
Question
For the value of determined in above question, the expectation value of energy of the oscillator in the state is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 290 (2 of 2 Based on Passage) Show Passage
» Quantum Mechanics » Harmonic Oscillator
Appeared in Year: 2011
Question
The value of for which is orthogonal to is –
Choices
Choice (4)  Response  

a.  1 

b. 


c.  2 

d. 


Question number: 291
» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics
Appeared in Year: 2010
Question
A system of non – interacting classical point particle is constrained to move on the two – dimensional surface of a sphere. The internal energy of the system is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

