EASY
12th ICSE
IMPORTANT
Earn 100

Name a series of lines of hydrogen spectrum which lies in the ultraviolet region.

Important Questions on Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom

EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 7
Write Bohr's formula to calculate wavelength λ of visible light, emitted by hydrogen and explain the meaning of each and every symbol used.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 8
Obtain an expression for the kinetic energy of electron in the Bohr model of hydrogen atom Z=1. Start from equating the electrostatic force with the centripetal force required and then use the quantisation condition for angular momentum.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 9
Draw energy-level diagram for the hydrogen atom. Show transitions corresponding to lyman . In which regions of the spectrum do these series lie?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 9
Draw energy-level diagram for the hydrogen atom. Show transitions corresponding to Balmer series. In which regions of the spectrum do these series lie?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 10
Draw the energy level diagram of a hydrogen atom, showing first four energy levels corresponding to n=1,2,3 and 4. Show transitions responsible for absorption spectrum of Lyman series.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 10
Draw the energy level diagram of a hydrogen atom, showing first four energy levels corresponding to n=1,2,3 and 4. Show transitions responsible for emission spectrum of Balmer series.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 11
For Bohr's model of the hydrogen atom, the energy of the electron in its ground state is found to be 13.6 eV. Draw an energy level diagram for the hydrogen atom and mark the values of energy (in eV) at n=1 to n=∞.
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 11
For Bohr's model of the hydrogen atom, the energy of the electron in its ground state is found to be 13.6 eV. Obtain the maximum energy of a photon emitted by the hydrogen atom in eV.