Mr. Rogers' AP Physics C: IB Physics Topics 

Syllabus  1st Quarter  2nd Quarter  3rd Quarter  4th Quarter 
IB SL Thermo  IB HL Thermo  IB HL Waves  AP Review 
Topic 10: HL Wave Phenomena
Objectives 
Essential Question: How can wave phenomenon be used in measuring instuments? 
Doppler Effect  Applications: radar, blood flow measurements, ultrasonic imaging
Students should recognize that in general the velocities of source and/or
detector are specified with respect to the medium. They should know however that light in a vacuum is unique and, in this case, it is the relative velocity of source and detector that is relevant.
Construct wavefront diagrams for movingdetector and movingsource situations.
Derive the equations for the Doppler effect for sound in the cases of a moving detector and a moving source.
Solve problems on the Doppler effect for sound. Problems may include both a moving source and a moving detector but not both simultaneously.
Beats  Applications: frequency measurement in the microwave part of the EM spectrum
Students should be able to sketch the resultant waveform from the superposition of two component waves.
f_{beat} = f_{2}  f_{1}
Solve problems involving beats.
Twosource Interference of Waves  Applications: flatness measurement
Explain, by means of the principle of superposition, the interference pattern produced by waves from two coherent point sources. Water, light and sound waves should be considered.
State the conditions necessary to observe interference between two light sources.
constant phase relationship
same polarization
Outline Young’s double slit experiment for light and draw the intensity distribution of the observed fringe pattern. Restrict this to the situation where the slit width is small compared to the slit separation so that diffraction effects on the pattern are not considered.
Derive expressions for the locations of the maxima and minima of the double slit fringe pattern. These include the angular form sin . = n./d and the form s = . D/d for locations on a screen at distance D, involving the small angle approximation.
Solve problems involving twosource
interference.
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