MEDIUM
12th Meghalaya Board
IMPORTANT
Earn 100

Draw the energy-level diagram of hydrogen atom. Show the Lyman series and Pfund series in the diagram.

Important Questions on Atoms

MEDIUM
12th Meghalaya Board
IMPORTANT
State the postulates of Bohr's theory of hydrogen atom.
EASY
12th Meghalaya Board
IMPORTANT
Name the series of hydrogen spectrum lying in ultraviolet and visible region.
MEDIUM
12th Meghalaya Board
IMPORTANT
The radius of the innermost electron orbit of hydrogen atom is 5.3×10-11 m. What are the radii of n=2 and n=3 orbits ?
HARD
12th Meghalaya Board
IMPORTANT
Derive the expression for the total energy of an electron in the nth  orbit of hydrogen atom.