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7CDLM04_201003ActivitySheets

# 7CDLM04_201003ActivitySheets - Physics 7C Model Single...

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Physics 7C DLM 04 Overview DLM 04 Model: Single Waves Act 8.1.8 Wave Wrap-Up: FNT 1 & 2ab(No Activity Sheet) (~60 min) Learning Goals: Solidify understanding of the graphical representation of a wave Solidify understanding of how to move from a graphical representation to an algebraic representation Solidify understanding of the wavefront representation of a wave Model: Superposition of Waves Act 8.2.1 Introduction to Superposition of Waves (~30 min) Learning Goals: Getting the picture of superposition of waves being two waves at the same point at the same time Understanding that the wave displacements add algebraically when waves interfere: y tot (x,t) = y 1 (x,t) + y 2 (x,t) Understanding the various terms and terminology used to express the result of superposition: constructive interference, destructive interference, partial interference Act 8.2.2 Interference with Sound Waves I (~70 min) Learning Goals: To get acquainted with interference effects that occur when superposing sound waves of the same frequency Understand how the total phase difference Φ (x,t) can depend on the fixed phase constant difference Φ alone Understand how the total phase difference Φ (x,t) can depend on the path length difference x alone Connecting the total phase difference Φ (x,t) to constructive and destructive interference

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