EASY
12th ICSE
IMPORTANT
Earn 100

According to Bohr, the angular momentum of an orbiting electron is quantised, what is meant by this statement?

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 10
What is Bohr's quantisation condition for the angular momentum of an electron in the second orbit?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 11
Calculate angular momentum of an electron in the third Bohr orbit 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 12

What is Bohr's frequency condition?

EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 13
Use fine structure constant α to obtain electron speed v1 in the first orbit of a 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 14
What conclusion was drawn by Rutherford based on Geiger-Marsden's experiment on scattering of alpha particles?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 15
Explain the meaning of 'excited 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 16
What is the ground-state energy of electron in the hydrogen atom? What for n=∞ (ionsed state)?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 17
What are the first and the second excitation potentials of a hydrogen atom?