7Px 11 Pipiri 20137Px 11 Pipiri 2013What we will do What we will learnPreliminaries and roll The importance of starting

well

See how the kinetic energy of the electrons was found

A clever trick can be used to go from the big to the small

See how the work function was found for each type of metal

What the graphs look like + how Y11 algebra was used to find ϕ

Introduce the idea of the “threshold frequency”

What the threshold frequency is and how to find it.

HRT on Modern Px, Units 4 and 5 How to tackle test-type questions on this topic

If time, reintroduce the idea of atomic line spectra

Why our rainbows have gaps in them.

7 Physics Homework MarkingNo. of marks

What for

1 Having sketches and FULL working

1 Neat presentation and down-page format

1 Answer underlined and units given

1 Self marked and all correct – eventually

1 In on time and signed for (“This is my own work”…….)

Total A mark out of five that will contribute to the “homework” grade in the reports

HW item Skills practised Motion – CircularUnit 3 pp 77 - 82Due pd 5 Mon 15 Apl 13

Orbital Motion and Gravitation.

Motion – RotationalUnits 1, 2 and 3 pp 83 - 89Due pd 1 Mon 20 May 13

Angular displacement, velocity and accel’nTorque, angular accel’n and Rotational Inertia

Motion – RotationalUnits 4, 5 and 6 pp 90 - 99Due pd 1 Tues 28 May 13

Angular Momentum, Rotational Kinetic Energy

Motion – SHMUnits 1, 2 and 3. pp 100 - 109Due Mon 10 June 13

Oscillatory Motion, SHM, reference circles; y, v and a; phasors

Motion – SHMUnits 4, 5 and 6. pp 109 - 119Due Tues 18 June 13

Pendula, mass-spring systems, phase difference, damping, energy and resonance