PHY 111, Spring, 2006

Week 7

 

  Objectives
bulletYou should be able to describe how the basic kinds of telescopes are made.
bulletYou should be able to define the following terms: diffraction, chromatic aberration, refraction.
bulletYou should know what determines the diffraction limit of a telescope.
bulletYou should be able to explain:
bullethow a mirror or lens forms an image
bulletwhat causes refraction and chromatic aberration
bulletwhy all large optical telescopes are now reflecting telescopes
bulletwhy large telescopes are better than small ones
Tuesday No class due to Monday/Tuesday switch day.
Thursday Illustrate basic optical principles: reflection, refraction, image formation, focusing of light.  Begin discussion of types of optical telescopes.   Discuss instruments used with optical telescopes.

Outside of class: Read Chapter 5 sections 5-8.  Complete Ch. 5 questions to ponder 4 and 10 to be turned in next Thursday.