Conceptual Physical Science Exam 1 Practice
Part I - MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1. A 1-kg mass at the Earth's surface weighs about
A) 1 N.
B) 10 N.
C) 12 N.
D) 5 N.
E
Conceptual Physical Science 11: Key Terms and Questions for 4th edition
Physical Science 11
Key Terms
Week 1 and 2
Chapter 1 Patterns of Motion and Equilibrium
acceleration
final position
inertia
kilogram
net force
SI units
velocity
averag
Conceptual Physical Science Exam 2 Practice
1. When you touch a cold surface with your finger, energy (heat) flows
A) from your finger to the surface.
B) from the surface to your finger.
C) actually both ways
2. Heat energy is measured in units o
Spring 2017
Conceptual Physical Science Practice Exam 2
Part II SHORT ANSWER: Read each question carefully. Use a formula or equation to find the answer. A sketch
illustrating the problem may also be necessary. Show all steps and include units.
1. Hea
Exam 1 Practice Test MC Key
1. B
2. B
3. B
4. C
5. A
6. B
7. B
8. D
9. C
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
D
A
B
C
C
C
B
B
B
B
C
C
B
D
B
A
A
B
A
Conceptual Physical Science Exam 1 Short Answer Practice
Part II SHORT ANSWER Read each question carefully. Use a formula or equation to find the
answer. A sketch illustrating the problem may also be necessary. Show all steps and include units.
1. Wi
PHYS 4A Exam 2 Fall 2016
Name:
MULTIPLE CHOICE: (5 points each) Choose the option that best completes the statement or answers the
question.
_1. A steel ball is attached to a string and is swung in a circular path in a horizontal plane as
illustrated in t
Hannah Robinson
PHYS 12
CCSF
October 29, 2015
Technical Lab Report II: Respiration
ABSTRACT
Not only does exercise make us feel great and relieve stress, it can literally give us more room to
breathe. Multiple studies have observed the impact of exercise
Hannah Robinson
PHYS 12
CCSF
October 5, 2015
Technical Lab Report I: EMG
Abstract
Hand grip strength is an important factor in everyday human functioning. A
dynamometer is a highly sensitive tool used to measure isometric hand grip strength
(Hogrel, 2015)
Physio 12
Fall 2015
Study Guide Suggestions
Midterm 1 on 9/23
Format
50 minutes, 50 points
Bring a #2 lead pencil; no books, notes or electronics
30 Scantron Questions: MC or T/F (1 point each)
3-5 Short Answer Questions (1-3 points each; total = 20 point
F2015
ProblemSet2
dueatthebeginningofclass,10/1
Name:
(last/familyname,firstname)
LAB(circle):MONWED
1. An alien spacecraft has crash landed on Ram Plaza here on campus. One of the space travelers seems
to have survived, but with very serious injuries. Be
Physio12
StudyGuideSuggestions
Midterm2on9/9
Fall2015
Format
50minutes,50points
30ScantronQuestions:MCorT/F(1pointeach)
35ShortAnswerQuestions(15pointseach;total=20points)
Bringa#2leadpencil;nobooks,notesorelectronics
SuggestedTopics
1. Circulation
a. Dua
4D Conference 12
1. For the emission transitions below, assume that you can ignore the effect associated with
electron spin. For each transition, determine it its forbidden by the selection rules. If it is
not possible, describe why. If it is possible, ca
4D Conference 11
1. Explain what is wrong with the following claimed Hydrogen atom quantum states (n,l,ml )
and for each given state, suggest multiple changes such that the state would be valid:
(a) (2,2,-1)
(b) (3,1,+2)
(c) (4,1,+1)
(d) (2,-1,1)
2. Find
4D Conference 3
1. A proton has rest energy E0 =938 MeV. What must its mass be in kg? Do this with only the
fact that 1 e = 1.602 1019 C and c = 3.00108 m/s.
2. Two lumps of clay are about to collide in a perfectly inelastic head-on collision. They each
h
4D Conference 6
Heisenbergs Uncertainty Principle problems
1. By doing a diffraction experiment in nuclear physics, you determine that the de Broglie
wavelength for a proton is 9.16 fm.
(a) What is the speed of the proton?
(b) Through what potential diffe
4D Conference 2
1. How fast must an object be moving before its length in the direction of travel is observed
to be contracted to 3/4 its proper length? How fast must an object be moving such that its
length in a direction transverse to its motion is cont
Test 1
Name:
10 points each
1. State Einsteins two postulates for Special Relativity and describe why each is interesting
from a physicists point of view.
2. An observer notes that the length of a spaceship is 1/4 of its proper length, L0 . How fast
must
4D Conference 8
1. A wave packet is represented by the following wave function where C is a constant:
0
(x) = C
0
x < L/2
L/2 < x < L/2
x > L/2.
(1)
(a) Use the normalization condition to determine C.
(b) What is the probability to find the particle betwe
Test 3
Name:
5 points each
1. A hydrogen atom with a single electron is in a state with angular momentum quantum number
l = 3.
(a) What possible values for the magnitude of total angular momentum can this atom have?
(Note: I am asking about the angular mo
4D Conference 4
Practice Test
1. State Einsteins two postulates for Special Relativity and describe why each is interesting
from a physicists point of view.
2. An observer O is at rest with respect to a building. According to O, the width of the building
4D Conference 9
1. Use the ground-state wavefunction of the simple harmonic oscillator to find xavg , (x2 )avg , and
0 1/4
x. The normalization constant is A = ( m
) . Note that this helps you work out Problem
~
23 in Chapter 5.
2. Compare the probabiliti
4D Conference 5
1. Wiens Displacement Law for radiation is max T = 2.898 103 mK. Model our sun with this
formula. What is the color of the brightest light that the sun radiates if its temperature is
6000 K? Is it yellow?
2. A cavity is maintained at a tem
4D Conference 7
1. A dust particle is confined to somewhere inside of a 10-m-long box. The dust particle is
about 1 m in size and has a mass of about 1015 kg. The walls of the confinement box have
VERY cold temperature so that the dust particles motion is
4D Conference 13
1. An electron and positron collide and two photons come out. The electrons are headed towards
their collision in opposite directions but with the same speed of 0.8c. What is the wavelength
of each photon? = 1459f m
2. According to the Bo
4D Conference 1
1. Here is some interesting (fictitious) experimental evidence that points at a strange thing that
is essential to special relativity: this is problem 6 in your homework for chapter 1.
Observer A, who is at rest in a lab room, observes tha
Test 2
Name:
5 points each
1. A hydrogen atom (no neutrons) is moving at a speed of 125.0 m/s. It absorbs a photon of
wavelength 97 nm that is moving in the opposite direction.
Two questions: By how much does the speed of the atom change as a result of ab
4D Conference 10
1. In the Rutherford model of the atomic nucleus, what is the distance of closest possible approach to a nucleus when an particle with kinetic energy 6.0 MeV is scattered by a thin
Copper (Cu) foil? (Hint: this is just the classical parti