Which color of light has the greatest energy per photon
What is violet?
100
The ratio of energy to the frequency of em radiation
What is Plank's constant?
100
Can a photon with an energy of 9.4 eV be absorbed by the hydrogen atom in the ground state? Why or why not...
What is no because the energy is too small?
100
Protons are composed of smaller particles called
What is quarks?
200
Which type of light is emitted when an electron in a hydrogen atom drops from n=2 to n=1
What is ultraviolet?
200
What is the type of force that holds the protons and neutrons together and what is the range?
What is a strong force over a short range?
200
Can a photon be absorbed by mercury is it has 5.43 eV, why or why not...
What is yes because it is the difference between the ground state and d?
300
Determine the frequency of a photon whose energy is 3 x 10^-19 J
What is 4.52 x 10^14?
300
What is conserved in a photon-particle collision (all of them)
What is energy, mass and momentum?
300
An excited hydrogen atom returns to its ground state, what is a possible energy change for the atom? Need to state loss or gain..
What is a loss of 10.20 eV?
300
What combination of quarks would produce a neutral baryon? (don't use anti-particles)
What is uud?
400
Calculate the energy in joules of a photon with a wavelength of 2.29 x 10^-7
What is 8.69 X 10^-19?
400
The antiparticle of the electron is called this
What is positron?
400
If a hydrogen atom is excited to the n=3 energy level how many possible frequencies can be emitted as it returns to the ground state and explain the transitions.
What is 3, n=3 to n=1, n=3 to n=2 and n=2 to n=1?
400
A lambda particle consists of an up, down and strange quark what is the charge of the particle?
What is 0e?
500
Determine the energy in eV of 8.69 X 10^-19 J
What is 5.43?
500
A discrete packet of EM energy emitted or absorbed?
What is quantum?
500
What is the minimum amount of energy needed to excite a hydrogen atom from the ground state?
What is 10.2 eV?
500
According to the Standard model of physics a meson is composed of