Question

The dimensions of the Rydberg’s constant are

Solution

Correct option is

M0L–1T0

We know that  

        

Since Zn1 and n2 are dimensionsless, the dimension of R is the same as that of .

SIMILAR QUESTIONS

Q1

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?

Q2

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

Q3

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

Q4

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

Q5

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

Q6

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

Q7

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

Q8

The electron orbits with principal quantum numbers n > 3 were not allowed, the number of possible elements would be  

Q9

According to Bohr’s theory, the energy of an electron in the nth orbit of an atom of atomic number Z is proportional to 

Q10

In terms of the Rydberg’s constant R, the minimum wavelength in the Lyman series is