Photons
Energy Levels
Particle Adventure
The Famous Equation
Review
100

A particle of light carrying energy.

What is a photon?

100

The stability of an atom whne the energy of the atom gets more negative.

What is more stable?

100

The best known lepton.

What is an electron?

100

Mass is converted into energy during what reaction.

What is a nuclear reaction?

100

The horizontal velocity of a projectile that was thrown at 25 m/s horizontally from a cliff 50 meters tall

What is 25 m/s?
200

When light shines on a metal, electrons can be ejected from the surface.

What is the Photoelectric Effect?

200

The amount of energy required to remove an electron from an atom.

What is ionization energy?

200

A neutron is made up of the following quarks.

What is an up, down, down quark?

200

The energy binding the proton together.

What is gluons?

200

The height of a cliff that an object with a mass of 5.0 kg spends 2.6 seconds falling to the ground when dropped at the top of the cliff.

What is 33.2 meters?

300

A dim green source of light shines on a photosensitive metal and no photoelectrons are ejected from the surface. Name what could be done to increase the likelihood of producing photoelectrons.

What is replace the green light source with a higher frequency light source?

300

The minimum amount of energy needed to ionize a mercurcy atom in the n = c state.

What is 5.52 eV?

300

The charge of a strange quark.

What is -5.33 x 10^-20 C?

300

The energy equivalent of 2.5 x 10^-3 kilograms.

What is 2.25 x 10^14 J?

300

The frictional force of a rubber tire on a flat dry asphalt surface with a mass of 7.2 kgs. 

What is 47.3 Newtons?

400

Energy of a photon with a wavelength of 4.8 x 10^-7 meters.

What is 4.14 x 10^-19 J?

400

Determine the energy in joules of the emitted photon as an electron in a hydrogen atom drops from the n = 4 state to the ground level.

What is 2.04 x 10^-18 J?

400

The charge of an anticharm quark.

What is -1.07 x 10^-19 C?

400

The energy equivalent of the rest mass of an electron.

What is 8.2 x 10^-14 J?

400

The magnitude of the electrostatic force between point charges 2q1 and 4q2 when separated by a distance of 1/2r.

What is 2F?

500

Color of visible light with an energy of 4.18x10^-19 J.

What is blue?

500

Calculate the frequency of an absorbed photon that results in an electron in a mercury atom change from energy level d to e.

2.99 x 10^14 HZ

500

The force responsible to holding ghe nuclei of atoms together.

What is the strong force?
500

The amount of matter in kilograms needed to yield 2.0 terajoules of energy.

What is 6.67 x 10^-5 kgs?

500

The equivalent resistance of 2 identical resistors in parallel when the equivalent resistance of the resistors in series is 8 ohms.

What is 2 ohms?
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