Modern

Provides evidence for the particle theory of light.

• photo-electric effect

• interference

• polarization

• diffraction

Provides evidence for the wave theory of light.

• photo-electric effect

• interference

• polarization

• diffraction

Compared to a photon of violet light, a photon of orange light has a...

• greater energy

• shorter wavelength

• higher frequency

• lower energy

• lower frequency

An electron in the c level of mercury falls back to the b level.

• A photon is emitted

• A photon is absorbed

• the photon has 0.22 eV of energy

• the photon has 5.52 eV of energy

• the photon has 5.74 eV of energy

A model of an atom that has the electrons placed in specific energy levels.

• Rutherford Model

• Bohr Model

• Planck Model

• Einstein Model

• Plum-Pudding Model

All hadrons are particles composed of...

• exactly three quarks

• quarks

• a quark and an anti-quark

• leptons

• electrons

Select all of the leptons.

• electron

• muon

• tau

• tau neutrino

• charm

A Hydrogen atom absorbs a photon of energy 0.66 eV. The electron must have transitioned from...

• n = 1 to n = 2

• n = 3 to n = 1

• n = 1 to n = 3

• n = 3 to n = 4

• n = 4 to n = 3

A combination of an anti-up and a bottom quark is a...

• hadron

• meson

• baryon

• lepton

• muon

Deuterium, an isotope of Hydrogen - has a proton and a neutron in its nucleus. How many quarks are in deuterium?

• 3

• 6

• 9

• 12

• 2