Updated:  10/14/04  
                  
           Chapter 24 The Wave Nature of Light


          A. Instruction to students:
                       1)  Homework:
                             a) Read carefully Section 24-1 through Section 24-7,
                                 pp 744-746 of Section 24-10, and  p750.
                             b) Do Examples from 24-1 through 24-7.
                             c) Sample multiple choice problems.
                       2)  Following formula and constants from Chapters 24 will be given
                                during the exam #2. Practice how to use and apply them.  
                                         n_1 sin (\phi_1) = n_2 sin (\phi_2)
                                         v = c / n
                                         d sin (\theta) = m \lambda
                                         D sin (\theta) = m \lambda
         
                                      
          B. Biomedical (and technological) application
                     Mirages in p726, and rainbows and diamonds in 732.
                          Chemical and biochemical analysis in p739.  
                          How Polaroids work in p746.
                          Why the sky is blue and sunsets are red in p750.  

          C. Lectures and study guideline
                          The terms, the meaning and applications of which you should understand:
                          refraction
                          polarization
                          diffraction
                          interference
                          dispersion

                          Carefully go through  the derivation of Snell's law in p726, so as to understand
                          how the speed, wavelength, and frequency behave in a medium.  Understanding
                          how the index of refraction in p696 of Section 23-4 is applied is quite important.

                          Learn the derivations of
                                      Eqs. (24-2a), (24-2b), (24-3a), (24-3b), and (24-4).
                          to understand how constructive ans destructive intereferences are applied.

                          The discussions on polarization and scattering of light in pp744-746 and p750 are
                           for qualitative understanding only.