Understandings
Applications
Data Booklet References
Waves Review
Other Previous Topics
100
These are two of the three properties of electric charge.
What is that electric charge is QUANTIZED, and that charge is CONSERVED, and that materials can act as either CONDUCTORS / INSULATORS to the movement of charge?
100
Identify two forms of charge and the direction of the forces between them.
What is positive and negative, with the forces in a direction away from positive and toward negative?
100
In the formula E = F / q, what does E stand for?
What is electric field strength?
100
This is the frequency of a wave moving 30 m/s with a wavelength of 0.50?
What is 60 Hz?
100
Callum is designing an experiment to investigate how the speed of sound waves are affected by the type of medium through which they travel. What is the independent variable?
What is the medium through which they travel?
200
State Coulombs Law in words.
What is how the electrostatic force excerted by one point charge on another is proportional to each of the two charges involved and inversely proportional to the square of the distance between them?
200
The work done in moving a charge of 2.0 microcoulombs between two points in an electric field is 1.50 X 10^-4 Joules. Determine the potential difference between the two points.
What is 75 Volts? (V = W/q)
200
This is the name of this famous formula, F = k Q q r^-2. (named after the guy who discovered it).
What is Coulomb's Law?
200
This is the difference between tranverse and longitudinal waves, plus an example of each.
What is transverse is displacement of the medium perpendicular to wave motion, whereas longitudinal is parallel? And travelling waves in a slinky or surface water are transverse, whereas sound is a longitudinal?
200
One of the following is a fundamental unit: Ampere, Coulomb, Ohm, Volt
What is a AMPERE (electric current)? ~the other three are derived ~
300
This is the unit of Electrical Potential.
What is the VOLT (equal to Joules per coulomb)?
300
Distinguish between specific heat capacity and specific latent heat.
What is how specific heat capacity is energy required to change the temperature (without changing state); specific latent heat is energy required to change the state/phase without changing the temperature ?
300
In the formula, F = k Q q r^-2, this is what k represents as well as the numeric value we have been using.
What is the (constant of) permittivity, with a value of 9 X 10^9 in empty space or air? But keep in mind that they may throw other k values at you if the situation is not in air.
300
These are the two defining properties (not the causes) of all simple harmonic oscillations.
What is 1.) that the acceleration is proportional to the displacement, and 2.) the direction of acceleration is towards the equilibrium position (opposite to displacement)?
300
This is the correct SI unit for momentum.
What is kg m s^-1 ?
400
This is the definition of the electronvolt.
What is the work done when a charge equal to one electron charge is taken across a potential difference of one volt?
400
A 0.50 kg toy moves with a constant velocity of 0.30 m/s along a level track. The power of the toy motor is 2.0W and the total force opposing the motion of the toy is 5.0N. Determine the EFFICIENCY of the toy's motor.
What is 0.75 (75%) ?
400
Identify each of the variables in the thermal formula Q = m c delta~T
What is HEAT (Q) required to change the MASS (m) which is the MASS which has a SPECIFIC HEAT CAPACITY (c), and delta~T is the CHANGE IN TEMPERATURE (in Kelvin)?
400
A bright source of light is viewed through two polarizers whose preferred directions are initially parallel. Calculate the angle through which one sheet should be turned to reduce the transmitted intensity to half its original value.
What is 45 degrees?
400
This is the temperature, in K, that is equivalent to 57 °C
What is 330 K? (K = C+273)
500
This is the difference between Electrical Potential Energy and Electrical Potential, including their units of measure.
What is how potential energy is equal to the work done within an electric field (measured in Joules), whereas electrical potential is the work done per unit charge (measured in Volts).
500
Determine the speed of a proton (m=1.67 X 10^-27 kg) that is accelerated from rest by a potential difference of 5.0 X 10^3 Volts.
What is 9.8 X 10^5 m/s ?
500
State the proportionality in the Boltzmann equation (last formula in sub-topic 3.2).
How is the average random kinetic energy of the particles (Ek) directly proportional to the kelvin temperature (T)?
500
Light of wavelength 686 nm in air enters water, making an angle of 40.4 degrees with the normal. Determine 1.) the angle of refraction, and 2.) the wavelength of light in water.
What is 1.) 29.2 degrees, and 2.) 517 nm ?
500
Estimate the minimum power required to lift a mass of 50.0kg up a vertical distance of 12m in 5.0s.
What is 1200W? (first find work done, then find power as work per time).
M
e
n
u