Physics 7C Lecture 1
Professor Lin
Spring 2008
Final Examination
Saturday, 17 May 2008, 12:30 –3:30 PM
Print Name _____________________________
Discussion Section # ____________________________
Signature _______________________________
Discussion Section GSI __________________________
Student ID# _____________________________
This exam is closed book, but you are allowed one 8.5" x 11" (doublesided) page of handwritten notes.
You
may use a calculator, however NO wireless calculators are allowed.
a) Write your name, Discussion Section #, GSI name and SID# on the top of all materials you intend to hand
in and want to be graded.
b) Remember to circle all of your final answers.
c) Express all numerical results to 3 significant figures. Cross out any work you decide is incorrect, with an
explanation in the margin.
Show
all
work, using the front and back sides of this exam paper.
If you do not show relevant work for any
part of a problem, you will not be awarded any credit, even if the answer is correct.
If you recognize that an
answer does not make physical sense and you do not have time to find your error, write that you know that
the answer cannot be correct and explain how you know this to be true.
(We will award some credit for
recognizing there is an error.)
Do not get bogged down in algebra — if you have enough equations to solve
for your unknowns, box the equations, state how you would finish, and move on (you can go back and
complete the algebra later if you have time).
And if you have questions about the interpretation of a
problem,
please ask!
Problem 1
2
3
4
5
6
7
8
TOTAL
Total of 200 points (points for each part indicated in problem).
DO NOT TURN TO NEXT PAGE UNTILTHE PROCTOR TELLS YOU TO START!
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 Spring '08
 LIN
 Electron, Quantum Physics, Light, Wavelength, Fundamental physics concepts

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