Waves
Identify the unit for each of the quantities
Force Electric Field Electric Charge
Electric Potential Electric Current
Electric Potential Energy Power
N, N/C, J, C, V, A, J, W
What does work do?
Changes Energy
Coulomb Per Second
Ampere
State the Law of Reflection
Incident Angle = Reflected Angle
Order the waves of the EM spectrum from shortest to longest wavelength.
Gamma, X Ray, UV, Vis, IR, Micro, Radio
What direction do electric field lines point?
The direction of force on a proton (positive charge)
-18J
Joule Per Coulomb
Volt
What shapes of mirror and lens are converging
Concave mirror
Convex Lens
How many nodes (counting endpoints) are found on a string vibrating in it's 3rd harmonic frequency?
4
Define:
Conduction
Induction
Polarization
What is a conductor and an insulator?
For an object going down any frictionless slide, the speed at the bottom will depend on _______
The Height of the slide.
Volt Per Ampere
Ohm
What does a negative focal length indicate?
The optical device is diverging.
Using the speed of sound as 340m/s. What is the 2nd harmonic frequency for an open pipe 20cm long?
1700Hz
2A
What is the large equation that relates work, kinetic energy, and potential energy
Ki + Pi + W = Kf + Pf
kilogram meter squared per second squared
Joule
What combination of image characteristics can a converging optical device NOT create.
Reduced Virtual
A 0.275m long pipe that is open on one end and closed on the other will resonate at 300hz.
What is the speed of sound in the pipe?
330m/s
Find the current through the 2 ohm resistor if a 1, 2, 3 ohm resistor are in parallel with a 12V source.
Find the Power output of the entire circuit.
6A
264W
When the speed of an object decreases to one third of it's speed, it's kinetic energy reduces by a factor of ___
9
Per Second
Hertz
How far should an object be placed from a convex mirror in order to Produce an image that is half the original size.
Answer in terms of the focal length
3f