期中考與期末考可能的考題
(1) limitaion of Snell's law
(2) When will E-ray obey Snell's law?
(3) how do you determine the ray path of E-ray?
(4) how do you dtermine the interference color of a given △?
(5) how do you distinguish 1st order white and high order white
under microscope?
(6) why do different quartz grains in thin section show
different interference colors?
(7) only anisotropic media will show interference color?
can we say that it is isotropic if one mineral
does not show interfence color?
(8) describe the optical characters of calcite, quartz.
(9) describe open nicol, cross nicol, and parallel nicol.
(10) what kind of minerals will exhibit the characters of
changable relief?
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