Atomic and Nuclear Physics Answers

When a molecule rotates centrifugal distortion stitches it bonds the result in
1) no effect on its rotational spectrum 2)The frequencies in its rotational spectrum increases
3) the spectrum line spacing do not remain evenly spaced
4)the moment of inertia of molecule decreases

If the elements with principal quantum number n>4 where not allowed in the nature the number of possible elements would be
1)60
2)32
3)2
4) 64

Fraunhofer lines in the solar spectrum are due to

The mass increase factor (relative to rest mass) is
1) mass increase ratio= 10^10
2)mass increase ratio=10^11
3)mass increase ratio=10
4)mass increase ratio=10²

Determine the total number of energy states in silicon between Ev and Ev-kT at T = 300 K. (For Si the effective mass of hole mp* = 0.56m0

An electron in the n=2 state of hydrogen remains there on the average about 10^-8s before making a transition to n=1 state the uncertainty in the energy of an n=2 state is
Ans: 4.1×10^-7 ev

1. A nuclear chemist receives an accidental radiation dose of 5.0 Gy from slow neutrons ( RBE= 4.0 ). What does she receive in rad, rem and J/kg.

2. In a diagnostic x-ray procedure, 5.00 × 10 raise to 10 photons are absorbed by a tissue with a mass of .600 kg. The xray wavelength is .200 nm.

A. What is the total energy absorbed by the tissue
B. What is the equivalent dose in rem?

Nuclear size and shape are measurable
through
(A) High energy electron scattering and
nuclear quadrupole measurements
(B) Hyperfine splitting of spectral lines in w – meson atoms
(C) High energy electron scattering
(D) Neutron scattering

The number of strong-magnetic field levels of ²D term is
(A) 8 (B) 10
(C) 12 (D) 5

For d^8 configuration, the total number of
optical electrons is
(A) 1 (B) 2
(C) 3 (D) 4