Q5 of 22 Page 174

How many elliptical orbits are added by Sommerfeld in third Bohr’s orbit? What was the purpose of adding these elliptical orbits?

Two elliptical orbits are added by Sommerfeld in third Bohr’s orbit. In an attempt to account for the structure (splitting) of line spectra known as fine spectra, Sommerfeld added these elliptical orbits.


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3

In an atom the number of electrons in M-shell is equal to the number of electrons in the K and L shell. Answer the following questions.

a. Which is the outer most shell?


b. How many electrons are there in its outermost shell?


c. What is the atomic number of element?


d. Write the electronic configuration of the element.

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Rainbow is an example for continuous spectrum explain.

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What is absorption spectrum?

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