Exam 1

• 50 multiple choice questions.
• You need a No. 2 pencil and an eraser.
• You are not allowed to use a calculator.
• Turn in the answer sheet and leave whenever you are done.
• no make-up exam (a reminder)

Exam 1 Preparations (covers lectures 1 through 9)

1. Lecture outlines on the web
2. In-class quizes
3. OWL prelecture quizes and HWs
4. Equations to know: review the examples in the lectures and ask how the ratios are used to pose these questions
• Power of 10: multiply two big numbers
• Celestial and horizontal coordinate systems: look at the examples in lecture
• parallax (geometrical relationship): know what this means and the geometrical picture that goes with it
• Kinetic Energy: what quantities does it depend on and how?
• Photon energy: what quantities does it depend on and how?
• Kepler's Laws: review the examples discussed in the lecture
• Newton's Laws (including the law of gravity): review the examples discussed in the lecture
• Conservation of momentum and angular momentum: review the examples in the lecture
• Escape velocity: review the examples in the lecture
• Wien's Law: what does this mean?
• Doppler Shift: how does the motion change the wavelength of light and sound?
• Keg's Law (for practicing ratios)

5. Sample exam questions in OWL
6. "Review Problems" at the end of each chapter
7. Know what the bold-faced terms mean in the textbook
8. No need to memorize physical constants

Q & A session: February 27 (Tuesday) at 6PM in HAS 134.

Retake Option

• strictly optional
• likely to help but it can hurt your grade
• new grade = (75% original grade) + (25% "re-take" grade)
• take a new answer sheet and return it to my office (LGRT B522) by Noon next day