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Unit Title
Quantum Physics Grade/Sem/Week: 12/1/4
Time Frame:
July 16 - August 10, 2012
Developed By: ..
Learning Outcomes (Taken from the Curriculum- IGCSE/GAC/KTSP)
Show an understanding that the photoelectric effect provides evidence for a particulate nature of electromagnetic radiation while phenomena such as interference and diffraction provide evidence for a wave nature.
Show an understanding of the main principles of determination of e by Millikans experiment.
Recall and use E = hf.
Explain photoelectric phenomena in terms of photon energy and work function energy.
Recall, use and explain the significance of hf = + 1mv2
max.
Recall and use the relation for the de Broglie wavelength = h/p.
Distinguish between emission and absorption line spectra.
Recall and solve problems using the relation hf = E1 E2.
Assessment Evidence
Quiz, Tests, Writing an essay.
Learning Activities and Instructional Strategies
Unit Plan Subject: Physics 2012-2013
Learning Activities: Week 1 Meeting 1: Opening : Could the photoelectric effect destroy our health ? Main Activities : Students learn the photoelectric effect with simulation computer program. Closing : Students discuss the topic. Meeting 2: Opening : Could the photoelectric effect destroy our health ? Main Activities : Students learn the electromagnetic radiation as a wave nature. Closing : Students discuss the topic. Meeting 3: Opening : What do you know about interference and diffraction ? Main Activities : Students learn interference and diffraction. Closing : Students decide the photoelectric effect as a wave or a particle ? Week 2 Meeting 1: Opening : Remind the photoelectric effect. Main Activities : Students solve problems. Closing : Discuss the problems.
Meeting 2: Opening : How to measure the electron charge ? Main Activities : Students learn the Millikans experiment. Closing : Students discuss the topic. Meeting 3: Opening : What is the plank constant ? Main Acticvities : Students learn E= hf. Students solve problems. Closing : Students discuss the problems. Week 3 Meeting 1: Opening : What is photon ? Main Activities : Students learn photon energy and work function energy. Students solve problems. Closing : Discuss the problems. Meeting 2: Opening : Application of the photoelectric effect. Main Activities : Students learn hf = + 1mv2 max. Students solve problems. Closing : Discuss the problems.
Meeting 3: Opening : What is the de Broglie effect ? Main Activities : Students learn de Broglie wavelength. Students solve problems. Closing : Discuss the problems. Week 4 Meeting 1: Opening : How does a neon lamp work ? Main Activities : Students learn line spectra. Students solve problems. Closing : Discuss the problems. Meeting 2: Opening : Students remind all the topic discussed. Main Activities : Students make a short essay. Students solve problems. Closing : Discuss the problems. Meeting 3: Opening : Students remind all the topic discussed. Main Activities : Students answer the test. Closing : Students submit the test.
Teaching Resources:
Physics and A/AS level physics textbook, internet, simulation computer program.
Reflection
Approved by, . SMP-SMA-Principal