Electrostatics
Electric Potential
Capacitance
Optics
Modern Physics
100

Two positive charges placed close together will ______.

Repel

100

For a negative point charge, the E-field lines would be drawn how?

Pointing toward the charge from all directions

100

What is a capacitor?

A set of parallel plates of equal and opposite charge, often with a dielectric in between, which stores charge/ energy.

100

The process by which light bends through transparent materials is called what?

Refraction

100

What do you call the wavelength for any object with mass and velocity?

The de Broglie wavelength

200

As charged particles move closer together, the electrostatic force becomes _____.

Stronger

200

Consider a point charge. Where is the electric potential the greatest?

Close to the charge

200

In a capacitor, the electric field would be drawn how?

Straight from the positive plate to the negative plate.

200

How many rays are needed to form a mirror or lens image?

At least 2

200

When an object is moving near the speed of light, its length ______.

Contracts/ shortens

300

Is electrostatic force a vector or a scalar?

Vector

300

E-field lines show the direction of the force on a _____ particle.

Positive

300

When calculating the total capacitance for capacitors connected in _____, you add each capacitance value.

Parallel

300

Electron movement from a higher energy level to a lower one corresponds with photon ______.

Emission

300

When one twin stays on Earth and the other travels through space at a high speed, which twin will look older when they return to Earth?

The twin who stayed on Earth

400

When solving the Coulomb's Law equation, what does the +/- sign on the resulting force indicate?

Nothing

or

Whether the charges attract or repel

400

When a test charge is moved closer to or farther from a primary charge, ____ is done.

Work

400

When a capacitor is fully charged, it's voltage is equal to what?

The battery voltage

400

The Law of Reflection states that...

The angle of incidence is equal to the angle of reflection

400

The kinetic energy of an electron ejected from a metal (via light) is equal to what?

The energy of the incident photon minus the metal's work function