Physics 214 Homework 12 Solutions Spring 2008 Problem 1 a) The wavelength of the gamma rays is hc (6.63 10 34 J s)(3.00 108 m s) i = = = 1.24 10 12 m 6 19 Ei (1.00 10 eV)(1.60 10 J eV) and the wavelength of the final visible photons is 5.00 10
Physics 214 Assignment 12 (complete)
Concepts: Compton scattering DeBroglie wavelength of particles Electron diffraction Wave functions and interpretation Reading: Y&F, Vol. 3, Chapters 38, 39 and 40 Assignment: Due Thursday, April 24. Please turn in
TA's Name:_ Section: _ Your Name: _ Physics 214 Assignment 2
Concepts: damped oscillations driven oscillatons and resonance damping regimes power in driven oscillations traveling waves wavelength, frequency
Reading: AG Lecture Notes on Mechanical Wa
CORNELL UNIVERSITY Department of Physics
Physics 214
NAME: SECTION:
Prelim I
Fall 2003
Instructions To receive credit, you must place your answers in the boxes provided whenever required. Closed book; no notes. You may use a calculator. Check
Application Report
SBOA092A October 2001
HANDBOOK OF OPERATIONAL AMPLIFIER APPLICATIONS
Bruce Carter and Thomas R. Brown ABSTRACT While in the process of reviewing Texas Instruments applications notes, including those from Burr-Brown I uncovered a
PHYS2214, Spring 2009
Solutions to Assignment 7 March 23, 2009
1
Energy and power in sound waves
a) As was derived in class, the average intensity of a sound wave is related to the molecular displacement amplitude sm and the pressure amplitude pm
1
Free oscillations
a) x(t) vs t curves for the underdamped, overdamped and critically damped cases are plotted in gs.[1-5], for dierent initial conditions. b) (1) 0.1 percent; 0 = 22.36 (2) 1 percent; 0 = 7.05 (3) 10 percent; 0 = 2.18 c) (1) Au
Answers to Multiple Choice Questions 11-19
11-1: B 11-2: 3 fo = v/(v-vs) fs 11-3: 3 fo = (v + vo)/ v fs 11-4: B blowing wind from car to you: both you and car are moving with respect to the air. In frame of air, you are moving toward the car, and the
Chapter 25: Mechanical Waves
2007 Alan Giambattista On January 17, 1995, a terrible earthquake struck the Hanshin region of Japan, killing over 6400 people and injuring about 40,000 others. Some 200,000 homes and buildings were damaged, causing the
Chapter 26: The Principle of Superposition for Waves
2007 Alan Giambattista The flute and the clarinet are two popular wind instruments that are roughly the same length. In both, the musician blows air in a precisely controlled way into one end of t
Physics 214 Assignment 9
Concepts: Snell's law Total internal reflection Geometric optics Energy and momentum in EM waves Two source interference
Reading: Y&F, Vol. 2, Chapters 32, 33, 34 and 35 Assignment: Due in lecture on Thursday, April 3. Pleas
PHYS2214, Spring 2009
Solutions to Assignment 2 February 11, 2009
1
Free oscillations
dx d2 x +b + kx = 0 2 dt dt z(t) = Aet
a) Recall that the damped oscillator considered in lecture satises, m If we assume a solution of the form (2) where is in
PHYS 2214 - Spring 2009
PS3 Answer Key
PHYS 2214: Waves, Optics, and Particles Spring 2009 Problem Set 3 Answer Key
February 10, 2009 1. Tsunamis. (a) Wave speed is v = 220 m s1 . (b) Water depth is H = 4940 m. (c) The max vertical speed is vy,ma
How does dispersion affect the shape of a periodic pulse train?
We can resolve a pulse train of spatial period and pulse width w into a sum of cosine functions with k_n = n k_1 where k_1 =
We take the pulse train to be an even function of x (symme
Physics 214
Summer 1993
Assignment #1 (due Friday, July 2)
1. 13-47. In (d), assume the wave travels in the +x direction and that there is a crest at the
point x = +0.20 m at t = 0. (Changes the answer!)
2. 13-67. Hint: what causes the tension?
3. 13-68.
Physics 214
Summer 1993
Next week's lab: Experiment #4 (Microwaves)
Assignment #2 (due Tuesday, July 6)
1. Consider the nth normal mode of a string of length L and mass density fixed at both ends. The
mode amplitude is A. Find the total energy of the stri