EASY
12th ICSE
IMPORTANT
Earn 100

What is the significance of the ‘distance of closest approach of α-particles to atomic nuclei?

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 5
For scattering of α-particles at large angles, only the nucleus of the atom is responsible, not the electron. Why?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 6
Is the probability of scattering of α-particles at angles greater than 90° predicted by Thomson’s atomic model less, same or greater than that predicted by Rutherford’s model?
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 the order of magnitude of the radius of nucleus.
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 8
What is the order of the size of the 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 9
According to Bohr, the angular momentum of an orbiting electron is quantised, what is meant by this statement?
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?