10 PHYSICS – TERM 2 OPTICS & WAVES 1 UNIT LEARNING GOALS: DECLARATIVE KNOWLEDGE Amplitude Frequency Wavelength Refraction, Diffraction & Reflection Smell’s Law Assessment Exam Hodgson Light Box investigation of refractive index and Critical Angle Success Criteria: Accurate and successful completion of problems from the textbook. Reached set Target. Key Verbs Understand Manipulation Calculate Investigate . Critical Angle & Total Internal Reflection Resources Refractive Index “PHYSICS SPECTRUM”, Peter Eastwell “New Century Physics”, Richard Walding Resonance Sound energy Transverse waves Longitudinal waves Standing waves Principle of Superposition Destructive & Constructive Interference The wave equation: v=fλ Fundamental and subsequent resonant frequencies: The student will know the following definitions: fn=nf1 where f1 is the fundamental frequency Equations for Resonant length of open ended tubes and fixed end strings: Ln = nλ/2 where n=1,2,3,… ------------------------------------------------------------------------------Understand and Apply the concepts of: PROCEDURAL KNOWLEDGE: Students will be able to: generate written scientific reports Perform optics experiments involving optics bench, mirrors & lenses Use Hodgson Light Box to investigate Snell’s Law Apply knowledge in problem solving from text. Investigate sound using Kundst Tube apparatus Investigate wave refraction and diffraction using wave tanks, diffraction gratings and Young’s Double Slit apparatus ------------------------------------------------------------------------