Physics 234 Exam # 2 Review
Name:_
Section A. Circle one of the answers (4 points each).
1. The figure below shows the paths taken by two pulses of sound that begin
simultaneously and then race each other through equal distances in air. The only
differenc
Phys 234. Quiz 9, Name: [DOMiion
Multiple Choice
Identifv the choice that best completes the statement or answers the question.
1. A hydrogen atom is in its n = 2 excited state when its electron absorbs a photon of energy 8.5 eV. What is the
energy of the
Quiz 4, Phys 234, Name: ggtkkh 0
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. A sh appears to be 2.00 m below the surface of a pond when viewed almost directly above by a
sherman. What is the actual dep
Phys 234, Quiz 6, Name: ebww
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Light of wavelength 633 nm is incident on a narrow slit. The angle between the rst diffraction minimum on
one side of the centra
Phys 234, Quiz 5, Name: 60 'on
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Suppose Youngs double-slit experiment is performed in air using red light and then the apparatus is immersed
in water. What ha
Quiz 1, Phys 234, Name: 601031 1 0 V\
Multiple Choice
Identiz the choice that best completes the statement or answers the question.
1.
A block whose mass m is 680 g is attached to a spring whose spring constant k is 65 N/m. The block is pulled
a distance
Phys 234, Quiz 13, Name: 60 Mktm
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. An p-type semiconductor is produced by
a. positively charging the host crystal.
b. negatively charging the host crystal.
c.
Quiz 3, Phys 234, Name: 6OMNY
Multiple Choice
Identi/ the choice that best completes the statement or answers the question.
1. Light in vacuum is incidj on the surface of a glass slab. In the vacuum the beam makes an angle of 32 c with
the normal to the s
Quiz 2, Phys 234, Name: 6b\l~fk\'\
Multiple Choice
Identil the choice that best completes the statement or answers the question.
1. The pressure in a traveling sound wave is given by the equation Ap = 1. 5 sin 71(0 9x-315t) where all of the
parameters are
Phys 234, Quiz 12, Name: eohfhm
Multiple Choice
Identi/ the choice that best completes the statement or answers the question.
1. A diatomic quantum mechanical rotator in the L = l quantum state has energy E. The same rotator in the L =
2 uantum state wi
Phys 234, Quiz 8, Name: ohtiim
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Light of a given wavelength is used to illuminate the surface of a metal, however, no photoelectrons are
emitted. In order to
Phys 234, Quiz 11, Name: 60LA 'V\
Multiple Choice
Identiz the choice that best completes the statement or answers the question.
I. How many electron states are there in a shell dened by the quantum number n=5? 1. , a _. 3"; 30
a. 4 b. 16 c. 32 _ .50 e. 12
Phys 234, Quiz 10, Name: eoMiion
Multiple Choice
Identijfv the choice that best completes the statement or answers the question.
1. Particle A is described by the wave function 1p(x,y,z). Particle B is described by the wave function
1p(x, y, ze) up ,where
1. A block is released from rest and slides without friction down a plane inclined at an angle
from the horizontal. It reaches the bottom of the incline 3 seconds after it was released moving
with a speed of 14.7 m/s.
a. Calculate the distance traveled b
1.
Aparticlelocatedatthepositionvectorr=(2i+3k)mhasaforceF=(i+2k)Nactingonit.Thetorque
abouttheoriginis:
a.
b.
c.
d.
e.
2.
(1j)Nm
(1j)Nm
(7k)Nm
(7j)Nm
(i+5k)Nm
WhatistheangularmomentumofthemoonabouttheEarth?Themassofthemoonis
22
5
7.35x10 kg,thecentertoce
Physics 234-102 (Wednesday Class) Final Exam, 5/5/03
Due in Physics Office by 12 noon on May 12th
Attach solutions to exam sheets and show all work
Work alone!
Name:_
1. (15 pts.) The end of one of the prongs of a tuning fork that executes simple harmonic
Physics 234-104 (Thursday Class) Final Exam, 5/5/03
Due in Physics Office by 12 noon on May 12th
Attach solutions to exam sheets and show all work
Work alone!
Name:_
1. (15 Pts) The end of one of the prongs of a tuning fork that executes simple harmonic
m
1. A thin horizontal wire supports a uniform massive beam hinged at the bottom as shown. The
beam is 3 m long and has a mass of 80 kg.
a. Calculate the tension in the wire. (15 pts.)
b. What is the lowest frequency of vibration of the wire if the wire is
1. A 2000-kg automobile traveling north at 15 m/s collides with a 1500-kg automobile traveling
east at 20 m/s. The automobiles stick together after the collision.
a. What is their velocity after the collision? (15 pts.)
b. How much kinetic energy is lost
8
1.Thespeedoflightwavesinairis3.0x10 m/sec.Thespeedofsoundwavesinairis
333m/s.Howlongbetweenthetimealightningflashisseenandthethunderclapisheardifthelightning
flashis1.0kmaway?
a.
b.
c.
d.
e.
2.
3.0s
5.0s
7.0s
10s
1.0s
7
Thewavelengthoflightvisibletothe
Phys 234, Quiz 7, Name: 'ZDlA-thm
Multiple Choice
Identify the choice that best completes the statement 0r answers the question.
I. A spaceship passes you at a speedL of 0. 850C. You measure its length to be 34.5 m. How long (in m) would it
be when at res