MEDIUM
12th ICSE
IMPORTANT
Earn 100
Write down the names of the spectral series of hydrogen atom.
Important Questions on Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom
MEDIUM
12th ICSE
IMPORTANT
Lyman series of hydrogen is available both in emission and absorption, but Balmer series is available only in emission, not in absorption. Give reason.
MEDIUM
12th ICSE
IMPORTANT
In laboratory the Balmer series cannot be obtained in the absorption spectrum of the hydrogen atom, but it can be seen in the absorption spectrum of sun. Explain why?
MEDIUM
12th ICSE
IMPORTANT
On an energy level diagram of hydrogen atom; show by a downward or an upward arrows a transition responsible for emission lines of Balmer series.
MEDIUM
12th ICSE
IMPORTANT
On an energy level diagram of hydrogen atom; show by a downward or an upward arrows a transition responsible for emission lines of Lyman series.
MEDIUM
12th ICSE
IMPORTANT
On an energy level diagram of hydrogen atom; show by a downward or an upward arrows a transition responsible for absorption lines of Lyman series.
MEDIUM
12th ICSE
IMPORTANT
Is it essential that all the lines available in emission spectrum should be available in absorption spectrum also? Give reason.
MEDIUM
12th ICSE
IMPORTANT
How can the elements be identified by the study of line spectrum?
HARD
12th ICSE
IMPORTANT
An -particle passing through a potential difference of volt strikes a nucleus. Prove that if the atomic number be , then the distance of the closest approach of the particle to the nucleus will be .
