Atomic Structure (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 31  36 of 73
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Question number: 31
» Atomic Structure » DeBroglie's Relationship
Question
An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to
Choices
Choice (4)  Response  

a.  63.3 volt 

b.  43.3 volt 

c.  53.3 volt 

d.  33.3 volt 

Question number: 32
» Atomic Structure » Hund's Rule
Question
The total spin resulting from a d^{5} configuration is –
Choices
Choice (4)  Response  

a.  1 

b. 


c.  2 

d. 


Question number: 33
» Atomic Structure » Shapes of S, P and D  Orbitals
Question
The orbital having should not be present in the following subshell
Choices
Choice (4)  Response  

a.  d 

b.  g 

c.  f 

d.  p 

Question number: 34
» Atomic Structure » Spin Quantum Number
Question
Find out the maximum number of electrons in any energy level. (If n = 2)
Choices
Choice (4)  Response  

a.  Six electrons 

b.  Two electrons 

c.  Eight electrons 

d.  Four electrons 

Question number: 35
» Atomic Structure » DeBroglie's Relationship
Question
A tennis ball have mass is moving with a speed of 62m/s. calculate the wavelength associated with the ball.
Choices
Choice (4)  Response  

a.  3.84 × 10  36m 

b. 


c.  5.6 × 10  34m 

d. 


Question number: 36
» Atomic Structure » Heisenberg Uncertainty Principle
Question
Choose the correct option?
Choices
Choice (4)  Response  

a.  Shapes of orbitals are functional representation of mathematical solutions of Schrodinger equations. They do not represent any picture of electric charge or matter. 

b.  Smaller the wavelength of the electron wave more is the resolving power of the electron microscope. 

c.  Uncertainty in measurement is not due to lack of any experimental technique but due to nature of subatomic particle itself. 

d.  All a. , b. and c. are correct 
