Exam 9: Atomic Physics

Discrete wavelengths of light are emitted by an excited gas because

Charged particles from the Sun enter Earth's atmosphere close to the magnetic poles and cause

The energy of the electron in the hydrogen atom has only certain ______________ values.

When fast electrons strike a metal target,what are produced?

Dispersing light that has traveled from a hot wire through a cool gas gives what type of spectrum?

According to Planck's hypothesis,the energy of an oscillator is directly proportional to its ______________.

When a hydrogen electron is in its ground state,its principal quantum number is

According to the hypothesis of de Broglie,any moving particle has

Calculate the energy E_n, in electron volts,of a hydrogen atom's electron with n = 6.

Bohr's revolutionary step in his theory was to ______________ the angular momentum of the electron.

The wave function Ψ mathematically represents the ______________ associated with a particle.

Black light is a common name for the region of the EMR spectrum known as ______________.

When an electron in an atom is excited from a lower energy level to a higher one,a ______________ is ______________.

Which of these colors of light has photons of greatest energy?

In common physics terminology,a particle with a negative potential energy is in a(n)potential ______________.

The term stimulated emission would be used in explaining the operation of

The energy differences in some of the rotational energy levels of the water molecule allow

Who won the Nobel Prize for explaining the photoelectric effect?

Einstein's special theory of relativity deals with objects that are

The most important force in the hydrogen atom is