EASY
12th ICSE
IMPORTANT
Earn 100

What conclusion was drawn by Rutherford based on Geiger-Marsden's experiment on scattering of alpha particles?

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 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?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 18
What is the value of the isolation potential of hydrogen atom? Ionisation energy?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 19
The ionisation potential for hydrogen atom is 13.6 V. Will it be more or less for helium?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 20
The ionisation potential of helium atom is 24.6 V. How much energy is required to ionise helium 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 21
Name the series of lines of hydrogen spectrum lying in the ultraviolet region.
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 22
Name the series in the hydrogen spectrum whose few lines lie in the visible region.