DP stuff
Definitions
Motion and Force
Waves
Particulate Nature of Matter
100

The number of physics exams you will write in the DP program.

2

100

The maximum displacement from equilibrium of a wave or oscillation

Amplitude

100

The variable f stands for

friction

100

The variable D in the double slit experiment stands for this.

distance from the slit to the screen

100

One of the assumptions of the ideal gas law

-molecules are point particles (negligible volume)

-no forces between molecules

-collisions are elastic

-molecules have random movement

200

The number of units in DP physics.

5 (A, B, C, D, E)

200
The ratio of reflected to incident power or intensity

Albedo

200

The area under the graph of an acceleration vs time graph

Change in velocity

200

The name of the law to describe the relation between the angle of incidence and angle of reflection in mediums.

Snell's Law

200

The description of a I/V graph of an ohmic resistor.

straight line

300
The name of the big lab report that is worth 20% of your mark. 

Internal assessment or IA 

300

The force directed toward the centre of a circular path

Centripetal force

300

The equation you would use if you know v, u, a and need to find t

v = u + at

300

The type of pipe or tube that has only odd harmonics

Open / Closed

300

The total resistance of a parallel circuit with 3 resistors of 6 ohms, 12 ohms and 2 ohms.

4/3 or 1.33

400

The number of hours you get to complete the big lab report.

10

400

The energy per unit time dissipated in a conductor

Electrical Power (or power)

400
The amount of acceleration a 5.0 kg block has sliding down the same frictionless plane as a 2.0 kg mass (which had an acceleration of 4.0 m s-2)

4.0 m s-2

400

The frequency that an oscillator should be set so that the string vibrates in the first harmonic. (the string is 1.20 m and the speed of the wave on the string is 140 m s-1)

58 Hz

400

The new temperature of a gas that has expanded (at constant pressure) from an original volume of 2.0 m3 at 22 0C to a volume of 4.0 m3.

590 K or 317 0C

500

The length of the higher level paper 2 exam.

2.5 hours

500

A collision in which the total kinetic energy before the collision equals the total kinetic energy after the collision

Elastic collision

500

The amount of centripetal acceleration a particle has when it moves along a circle of radius 2.0 m with constant angular speed of 2.1 s-1. 

8.8 m s-2

500

The speed of a galaxy that emits light of wavelength 656 nm, but the light received on earth is 689 nm.

1.5 x 107 m s-1

500

The temperature increase of a piece of iron of mass 0.5 kg and specific heat capacity of 440 J Kg-1 K-1 that absorbs 9800 J of heat.

45 K

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