Atoms and NucleiBohr Model (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 4  8 of 9
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Question number: 4
» Atoms and Nuclei » Bohr Model
Question
In the Bohr model of the hydrogen atom, let R, v and E represent the radius of the orbit, the speed of electron and the total energy of the electron respectively. Which of the following quantity is proportional to the quantum number?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Atoms and Nuclei » Bohr Model
Question
In a hypothetical Bohr hydrogen, the mass of the electron is doubled. The energy E _{0} and the radius r _{0} of the first orbit will be (a _{0} is the Bohr radius)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 6
» Atoms and Nuclei » Bohr Model
Question
According to Bohr’s theory the moment of momentum of an electron revolving in second orbit of hydrogen atom will be,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 7
» Atoms and Nuclei » Bohr Model
Question
The value of the kinetic energy divided by the total energy of an electron in a Bohr orbit is
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  0.5 

d.  All of the above 

Question number: 8
» Atoms and Nuclei » Bohr Model
Question
As per Bohr model, the minimum energy (in eV) required to remove an electron from the ground state of doubly ionized Li atom (Z = 3) is
Choices
Choice (4)  Response  

a.  122.4 

b.  40.8 

c.  1.51 

d.  13.6 
