Which Of The Following Transition In A Hydrogen Atom Emits The Photon Of Lowest Frequency?  

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Question

Which of the following transition in a hydrogen atom emits the photon of lowest frequency?  

Solution

Correct option is

n = 4 to n = 3

The energy levels get progressively closer as n increases. From the given sets, the closets to each other (hence, minimum energy difference levels) are n = 4 and n = 3. 

Testing

SIMILAR QUESTIONS

Q1

Which energy state of the triply ionized beryllium (Be+++) has the same electrons orbital radius as that of the ground state of hydrogen? Given Zfor beryllium = 4.

Q2

Which energy state of doubly ionized lithium (Li++) has the same energy as that of the ground state of hydrogen? Given Z for lithium = 3.

Q3

The total energy of the electron in the first excited state of hydrogen is –3.4 eV. What is the kinetic energy of the electron in this state?  

Q4

The energy of the electron of hydrogen orbiting in the stationary orbit of radius rn is proportional to

Q5

The energy required to excite a hydrogen atom from n = 1 to n = 2 energy state 10.2 eV. What is the wavelength of the radiation emitter by the atom when it goes back to its ground state?

Q6

The ionisation potential of the hydrogen atom is 13.6 eV. Its energy in n = 2 energy state is

Q7

The innermost orbit of the hydrogen atom has diameter of 1.06 Å. What is the diameter of the tenth orbit? 

Q8

The difference lines in the Lyman series have their wavelengths lying between

Q9

The shortest wavelength in the :Lyman Series is 911.6 Å. Then the longest wavelength in the Lyman’s Series is 

Q10

How many times does the electron go around the first Bohr orbit in one second?