Lecture10

Lecture10 - First Exam Tuesday March 9 5:00 pm 6:20 pm...

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Unformatted text preview: First Exam Tuesday March 9 5:00 pm 6:20 pm Physics Lecture Hall Closed book and notes Computer-graded multiple-choice questions Material covered: Text chapters 16 - 22 Lectures 1-14 (January 19 through March 4) Bring Student ID card and a #2 pencil Practice Exam on class web page (soon) All necessary equations and constants will be given Extra Credit Write 2 questions for the mid-term exam multiple-choice with 5 answers cover material of mid-term exam accepted questions will receive 1 perfect homework assignment score submit as many questions as you like, but only 1 10-point credit will be given Deadline: 5 pm Monday March 1 early submission encouraged Send questions via e-mail Previous Lecture Stellar evolution is a consequence of the change of composition produced by nuclear reactions <0.08 M Sun objects become brown dwarfs 0.08 0.04 M Sun objects consume hydrogen on MS, and end up as helium white dwarfs White dwarfs are high density compact objects supported by electron degeneracy pressure 0.4 3.0 M Sun stars evolve slightly on MS (to greater luminosity) after their MS life they become red giants with H fusion in shell, contracting He core He fusion to C via the triple-alpha reaction starts at the tip of the red giant branch Horizontal Branch stars have H shell fusion, He core fusion The Horizontal Branch...
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This note was uploaded on 01/31/2012 for the course 750 110 taught by Professor Ericgawaiser during the Fall '10 term at Rutgers.

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Lecture10 - First Exam Tuesday March 9 5:00 pm 6:20 pm...

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