PHYSICS 002C
Lecture 14
April 30, 2010
Serway and Jewett Chapter 26.3-4 Images formed by refraction DEMO 0 The magic upside down candle on the white board! Clicker Q1: A thin lens forms its image at the a) focal point; b) image point; c) object distance;
PHYSICS 002C
Lecture 13
April 28, 2010
Serway and Jewett Chapter 26.1-2 Images formed by mirrors Chap 26.1 Flat mirrors DEMO 1 The magic candle that burns under water! Geometric optics is the science of tracing rays through an optical system using the law
PHYSICS 002C
Lecture 12
April 23, 2010
Serway and Jewett Chapter 25.5-7 Dispersion and Total internal reflection Chap 25.1 The nature of light Newtons corpuscular theory of light (ca. 1700) Huygens wave model or Huygens principle (1678) Hertzs wave experi
PHYSICS 002C
Lecture 11
April 21, 2010
Serway and Jewett Chapter 25.1-4 Reflection and refraction Chap 25.1 The nature of light Clicker Q1: Light is a(n) a) wave equation; c) Poynting vector; b) electromagnetic wave; d) Maxwells equation; e) vacuum polari
PHYSICS 002C
Lecture 10
April 19, 2010
Serway and Jewett Chapter 24.4-7 Electromagnetic Waves DEMO 1: Hertzian waves from a 220 MHz oscillator. Standing wave measurements reveal the wavelength. Clicker Q1: Heinrich Rudolf Hertz discovered a) the wave equa
PHYSICS 002C
Lecture 09
April 16, 2010
Coulombs torsion balance
Serway and Jewett Chapter 24.1-3 Electromagnetic Waves DEMO: Coulombs law and the Mummy! DEMO: There are no magnetic poles Mars suspended in space! Clicker Q1: Which one is a wave equation? a
PHYSICS 002C
Lecture 08
April 14, 2010 Organ pipes and Beats
Serway and Jewett Chapter 14.5-7
Clicker Q1: The sum of two solutions of a linear wave equation is also a solution a) always; b) never; c) sometimes; d) often e) approximately. Clicker Q2: The
PHYSICS 002C
Lecture 06
April 09, 2010 Interference
Serway and Jewett Chapter 14.1-4
Clicker Q1: The principle of superposition holds for a wave equation which is a) pliniar; b) finial; b) underlap; c) linear; d) similar e) linial. c) overlap; d) dewlap;
PHYSICS 002C
http:/soundbible.com/
Lecture 06
April 09, 2010 Sound Waves
Serway and Jewett Chapter 13.7-8
Thunder Clicker Q1: Sound waves in air are waves of a) c) e) depression and diffraction; b) impression and digestion; oppression and retraction; d)
PHYSICS 002C
Lecture 05
April 07, 2010 Mechanical Waves
Serway and Jewett Chapter 13.4-6
Clicker Q1: The wave velocity in a string 100 meters long with a total weight of 0.1kg and under a tension of 10 N is a) 0.1 m/s; b) 100 m/s; c) 1 m/s; d) 10 m/s; e)
PHYSICS 002C
Lecture 04
April 05, 2010 Mechanical Waves
Serway and Jewett Chapter 13.1-4
Clicker Q1: At time t = 0 a wave pulse moving in the +x direction with wave velocity v has amplitude y ( x 2 1) 1 . What is the amplitude at any time t? a) y ( x vt
PHYSICS 002C
Lecture 03
April 02, 2010
Serway and Jewett Chapter 12 Oscillatory Motion Reviev: Chap 12.1,2 Motion of a particle on a spring: Hookes law: Fs kx Combine Hookes law and Newtons 2nd law to get d 2 x / dt 2 2 x , where 2 k / m Solution: x A cos
PHYSICS 002C Review:
Lecture 02
March 31, 2010
Serway and Jewett Chapter 12 Oscillatory Motion Our representation of the physical world. Behind these notions, the two postulates: of time and space Chap 12.1,2 Motion of a particle on a spring & Hookes law:
PHYSICS 002C Syllabus Twenty eight 1 h lectures Ten 1 h Workshops
Lecture 01
March 30, 2009
Serway and Jewett Chapter 12 Oscillatory Motion
Textbook and 10 Homework sets 1 h Midterm exam 3 h Final exam Grades 8 Labs Please study the assigned material (onl
Problems 53 and 54 Solutions Problem 53. (Like problem 30.31) Nuclear Energy
Phys 002C
June 2, 2010
109 tons U = 1012 kg710-3 U235 = 7109 kg U235 available. Energy yield is at most E=208 MeV 1.61013 J/MeV per atom = (208 MeV 1.61013 J/MeV per atom) 61023
Solving Problems 51 and 52
Phys 002C
May 26 2010
Problem 51: (Like Problem 30.6) A certain number N of ordinary hydrogen (not deuterium) atoms weighs exactly 4 kg. How much does the same number of He4 atoms weigh? Note: converting 4 atoms of hydrogen into
Solving Problems 49 and 50
Phys 002C
May 26 2010
Problem 49. (Like problem 28.32) When a hydrogen atom is shared between two bases like A and T on opposing strands of DNA, the proton, originally confined to a location of size x a B becomes delocalized ove
Solving Problems 47 and 48
Phys 002C
May 24 2010
Problem 47. (Like problem 29.4) The binding energy for a hydrogen state of quantum number n is R H /n2, where the wavelength of a photon with energy equal to R H is 91.1751 nm. What is the wavelength of the
Solving Problems 45 and 46
Phys 002C
May 21 2010
Problem 45. (Like Problem 28.34) The hydrogen 2P level decays with a 1.6 ns lifetime to the 1S level emitting Lyman radiation at 123 nm. What is the approximate line width of the Lyman radiation? (a) 1 nm;
Solving Problems 43 and 44.
Physics 002 C
May 19, 2010
Problem 43. (Like Problem 28.22) Given a beam of 75 eV electrons normally incident on a Ni(1,0,0) surface where the line spacing is 0.249 nm, what is the minimum diffraction angle? (a) 14o; (b) 75o; (
Solving Problems 41 and 42
Physics 002C
May 18, 2010
Problem 41. (Like problem 28.13) What is the maximum current that would be emitted from a copper surface (work function = 4.70 eV) illuminated by 1 W of 243 nm light? a) 0.2 A; b) 0.4 A; c) 0.6 A; d) 0.
Solving Problems 39 and 40
Physics 002C
May 12, 2010
Problem 39. What is the speed of an electron (mc2 = 0.511 MeV) with kinetic energy 1 MeV? Note the total energy mc2 is the sum of the rest energy mc2 plus the kinetic energy. a) 1.511 c; b) 0.647 c; c)
Solving Problems 37 and 38
Physics 002C
May 12, 2010
Problem 37. What is the proper length of a meter stick traveling at half the speed of light? a) 1 m; b) 2 m; c) 0.5 m; d) 1.414 m; e) 0.707 m. What do you know? The proper length is the proper length =
Solving Problems 35 and 36
Physics 002C
May 10, 2010
Problem 35. The change in phase upon rotating the interferometer by 90o would be double this amount in the most favorable orientation. Using l= 17 m, what would be the maximum expected fractional fringe
Solving Problems 33 and 34
Physics 002C
May 7, 2010
Problem 33 (like 27.31): What is the theoretical resolution of a telescope having an objective of diameter D = 10 m observing light at a wavelength of 410 nm? a) 0.05 rad; b) 0.5 rad; c) 5 rad; d) 50 rad
Solving problems 31 and 32
May 5, 2010
Problem 31 (like 27.19): An optical reflector for back-reflecting a small portion of a normally incident laser beam is made with a wedge shape to deflect the unwanted beams reflected from the rear surface of the wind
Solving problems 29 and 30
May 3, 2010
Problem 29 (like 27.09): What is the slit spacing if I observe fringes 6.328 cm apart a distance of 1 m from the slits when they are illuminated with red laser light of wavelength 632.8 nm? a) 100 m; b) 10 mm; c) 10
Solving problems 27 & 28
May 1, 2010
Problem 27 (like 26.23): At what radius does an external observer see the image of a small Jurassic insect (much smaller than the dragon fly in the picture) located in the center of an amber sphere 30 mm in radius? Tak
Solving problems 25 & 26
April 29, 2010
Problem 25 (like 26.06): A periscope for looking behind you consists of a pair of mirrors, one above the other, with their surfaces at 45o from the vertical and whose surfaces are perpendicular to each other. You se