pracfinal - Physics 273 Practice Final Exam Fall 2011 Prof...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 273– Practice Final Exam Fall 2011 Prof. Mohan Kalelkar Your name sticker with exam code 1. The exam will last from 9:55am to 11:00am. Use a # 2 pencil to make entries on the answer sheet. Enter the following id information now, before the exam starts. 2. In the section labelled NAME, enter your last name, then fill in the empty circle for a blank, then enter your first name, another blank, and finally your middle initial. 3. Under STUDENT # enter your 9-digit Student ID Number. Under COURSE enter 273. Under CODE enter the exam code given above. 4. During the exam, you may use pencils, a calculator, and ONE 8 1 2 ′′ × 11 ′′ sheet of paper with formulas and notes. 5. There are 16 multiple-choice questions on the exam. For each ques- tion, mark only one answer on the answer sheet. There is no subtrac- tion of points for an incorrect answer, so even if you cannot work out the answer to a question, you should make an educated guess. At the end of the exam, hand in only the answer sheet. Retain this question paper for future reference and study. 6. Useful numerical constants are given on the next two pages. Before starting the exam, make sure that your copy contains the pages of constants and all 16 questions. Bring your exam to the proctor if this is not the case.
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Elementary charge e = 1 . 6 × 10 19 C 1 electron volt ( eV ) = 1 . 6 × 10 19 J Speed of light c = 3 × 10 8 m/s Planck’s constant h = 6 . 63 × 10 34 J · s = 1240 nm · eV/c ¯ h = h/ 2 π Avogadro’s number = 6 . 02 × 10 23 molecules/mole Electron mass = 9 . 11 × 10 31 kg = 0 . 511 MeV/c 2 = 0 . 000549 u Proton mass = 1 . 673 × 10 27 kg = 938 . 3 MeV/c 2 Neutron mass = 1 . 675 × 10 27 kg = 939 . 6 MeV/c 2 = 1 . 008665 u Hydrogen atom mass = 1 . 007825 u Atomic mass unit 1 u = 931 . 5 MeV/c 2 Fine structure constant α = 1/137 Hubble constant H = 0 . 0215 m/s/lightyear = 70 km/s/Mpc 1 parsec ( pc ) = 3.26 light years Powers of ten: femto(f) pico(p) nano(n) micro( μ ) milli(m) 10 15 10 12 10 9 10 6 10 3 centi(c) kilo(k) Mega(M) Giga(G) Tera(T) 10 2 10 +3 10 +6 10 +9 10 +12 THE LEPTONS (all spin 1 2 ) Mass (MeV) Common decays L e L μ L τ Antiparticle e ( . 511) Stable 1 0 0 e + ν e (0?) Stable (?) 1 0 0 ν e μ (106) e ν e ν μ 0 1 0 μ + ν μ (0?) Stable (?) 0 1 0 ν μ τ (1777) π π 0 ν τ , e ν e ν τ , μ ν μ ν τ 0 0 1 τ + ν τ (0?) Stable (?) 0 0 1 ν τ THE QUARKS (all spin 1 2 ) Baryon number = +1 /
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern