Regents Physics modern physics and the Standard Model quiz quiz
12questions. Pick an answer and you'll see why right away.
The energy of a photon is given by
A photon has a frequency of Hz. What is its energy ( J s)?
The photoelectric effect provides evidence that light behaves as
An atom emits light of only certain specific wavelengths because
An electron drops from a eV energy level to a eV level. What is the energy of the emitted photon?
The equation expresses
A mass of kg is converted entirely to energy. How much energy is released ( m/s)?
The mass defect of a nucleus is
Nuclear fusion releases energy by
According to the Standard Model, which particle is a lepton?
An up quark has a charge of and a down quark . A neutron is one up and two down quarks. What is its total charge?
Protons and neutrons are best described as