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