NDA CHEMISTRY QUIZ - 13

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Question 1:

Ratio of the energy of the 2nd stationary state to that of 4th stationary state  for hydrogen atom is-

Question 2:

During the transition of electrons from higher energy levels to lower energy levels. Energy is-

Question 3:

Stationary states is having-

Question 4:

Ratio of radius of 3rd orbit and 5th orbit for hydrogen atom is

Question 5:

For Hydrogen atom ,spectral region correspond to lyman series is-

Question 6:

Bohr’s theory was not able to explain the Zeeman and stark effect . Zeeman effect is 

Question 7:

The difference in angular momentum of revolving electron in 4th orbit to that of 6th orbit  is 

Question 8:

Which of the following statement is not true about Bohr's theory?

Question 9:

In the hydrogen atom, a transition occurs from n = 6 to n = 5 level. It corresponds to which spectral region and spectral series?

Question 10:

In hydrogen atom , it is observed that , on absorbing energy , value of n changes from n = 2 to n = 6. This means