~ quick concept tests
# baseline practice questions
* higher-order-thinking questions

9.1.1
Wave Medium
1834~

9.1.2
Graphical Representation of Waves
1802~  1801  1803#    1805  1804*        

9.1.3
Wave speed
1808~    1809    1810#   

9.1.4
Wave Intensity
1823~    1824#    1826    1827#    
3D Source
1825~    1821    1822    1828#    
2D Source
1829*   

9.2.1
Phase Relationship
1811#    1815~    1817* 

9.2.2
Phase Relationship in Graphs
Between 2 points on a wave
1814    1812#    1813~    
Between 2 oscillations
1449~    1816#  1450*

9.3.1
Transverse Vs Longitudinal
–

9.3.2
Sound Wave
1806~    

9.3.3
Graphs of Longitudinal Wave
1807#~       

9.4.1
The Electromagnetic Spectrum
1819~    1820#   

9.4.2
Polarization
1830    1832#    1833~   

9.4.3
The Three Polarizer Problem
1831#~    

–