College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
Problem 1CQ:
Using the law of reflection, explain how powder takes the shine off of a person’s nose. What is the...Problem 2CQ:
Diffusion by reflection from a rough surface is described in this chapter. Light can also be...Problem 4CQ:
Does the fact that the light flash from lightning teaches you before its sound prove that the speed...Problem 5CQ:
Will light change direction toward or away from the perpendicular when it goes from air to water?...Problem 6CQ:
Explain why an object in water always appears to be at a depth shallower than it actually is? Why do...Problem 7CQ:
Explain why a person’s legs appeal very short when wading in a pool. Justify your explanation with a...Problem 9CQ:
Suppose light were incident from air onto a material that had a negative index at retraction, say...Problem 10CQ:
A ring with a colorless gemstone is dropped into water. The gemstone becomes invisible when...Problem 11CQ:
A high-quality diamond may be quite clear and colorless, transmitting all visible wavelengths with...Problem 13CQ:
The most common type at mirage is an illusion that light from faraway objects is reflected by a pool...Problem 14CQ:
It can he argued that a flat piece of glass, such as in a window, is like a lens with an infinite...Problem 15CQ:
You can often see a reflection when looking at a sheet of glass, particularly if it is darker on the...Problem 16CQ:
When you focus a camera, you adjust the distance of the lens from the film. It the camera lens acts...Problem 17CQ:
A thin lens has two focal points, one on either side, at equal distances from its center, and should...Problem 19CQ:
What are the differences between teal and virtual images? How can you tell (by looking) whether an...Problem 20CQ:
Can you see a virtual image? Can you photograph one? Can one be projected onto a screen with...Problem 23CQ:
Under what circumstances will an image be located at the local point of a lens or mirror?Problem 24CQ:
What is meant by a negative magnification? What is meant by a magnification that is less than 1 in...Problem 25CQ:
Can a case 1 image be larger than the object even though its magnification is always negative?...Problem 27CQ:
Devise an arrangement of mirrors allowing you to see the back of your head. What is the minimum...Problem 28CQ:
If you wish to see your entire body in a flat minor (from head to toe), how tall should the minor...Problem 29CQ:
It can be argued than a flat mirror has an in?nite focal leng1h. If so, where does it from an image?...Problem 30CQ:
Why are diverging mirrors often used for rear-view mirrors in vehicles? What is the main...Problem 3PE:
Light shows staged with lasers use moving mirrors to swing beams and create colorful effects. Show...Problem 5PE:
What is the speed of light in water? In glycerine?Problem 6PE:
What is the speed of light in air? In crown glass?Problem 7PE:
Calculate the index of refraction for a medium in which the speed of light is 2.012108m/s , and...Problem 9PE:
There was a major collision of an asteroid with the Moon in medieval times. It was described by...Problem 11PE:
Components of some computers communicate with each other through optical fibers having an index of...Problem 13PE:
Suppose you have an unknown clear substance immersed in water, and you wish to identify it by...Problem 14PE:
On the Moon’s surface, lunar astronauts placed a corner reflector, off which a laser beam is...Problem 17PE:
Unreasonable Results Suppose light travels from water to another substance, with an angle of...Problem 18PE:
Construct Your Own Problem Consider sunlight entering the Earth’s atmosphere at sunrise and...Problem 19PE:
Unreasonable Results Light traveling from water to a gemstone strikes the surface at an angle of...Problem 20PE:
Verify that the critical angle for light going from water to air is 48.6°, as discussed at the end...Problem 21PE:
(a) At the end of Example 25.4, it was stated that the critical angle for light going from diamond...Problem 23PE:
At what minimum angle will you get total internal reflection of light traveling in water and...Problem 24PE:
Suppose you are using total internal reflection to make an efficient corner reflector. If there is...Problem 25PE:
You can determine me index of refraction of a substance by determining its critical angle. (a) What...Problem 28PE:
(a) What is me ratio of the speed of red light to violet light in diamond, based on Table 25.2? (b)...Problem 29PE:
A beam of white light goes from air into water at an incident angle of 75.0°. At what angles are the...Problem 30PE:
By how much do the critical angles for red (660 nm) and violet (410 nm) light differ in a diamond...Problem 31PE:
(a) A narrow beam of light containing yellow (580 nm) and green (550 nm} wavelengths goes from...Problem 32PE:
A parallel beam of light containing orange (610 nm) and violet (410 nm) wavelengths goes from fused...Problem 33PE:
A ray of 610 nm light goes from air into fused quartz at an incident angle of 55.0°. At what...Problem 34PE:
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air...Problem 37PE:
Your camera's zoom lens has an adjustable focal leng1h ranging from 80.0 to 200 mm. What is its...Problem 39PE:
You note that your prescription for new eyeglasses is 4.50 D. What will their focal leng1h be?Problem 40PE:
How far from the lens must the film in a camera be, if the lens has a 35.0 mm local length and is...Problem 41PE:
A certain slide projector has a 100 mm focal length lens. (a) How far away is the screen, if a slide...Problem 42PE:
A doctor examines a mole with a 15.0 cm focal length magnifying glass held 13.5 cm from the mole (a)...Problem 43PE:
How far from a piece of paper must you hold your father’s 2.25 D reading glasses to try to burn a...Problem 44PE:
A camera with a 50.0 mm focal length lens is being used to photograph a person standing 3.00 m away....Problem 45PE:
A camera lens used for taking close-up photographs has a focal length of 22.0 mm. The farthest it...Problem 46PE:
Suppose your 50.00 mm local length camera lens is 51.0 mm away from the film in the camera. (a) How...Problem 47PE:
(a) What is the focal length of a magnifying glass that produces a magnification of 3.00 when held...Problem 48PE:
What magnification will be produced by a lens of power 4.00 D (such as might be used to correct...Problem 49PE:
In Example 25.7, the magnification of a book held 7.50 cm from a 10.0 cm focal length lens was found...Problem 50PE:
Suppose a 200 mm focal length telephoto lens is being used to photograph mountains 10.0 km away. (a)...Problem 51PE:
A camera with a 100 mm focal length lens is used to photograph the sun and mean. What is the height...Problem 52PE:
Combine thin lens equations to show that the magnification for a mm lens is determined by its focal...Problem 54PE:
Some telephoto cameras use a mirror rather than a lens. What radius of curvature mirror is needed to...Problem 55PE:
(a) Calculate the focal length of the mirror formed by the shiny back of a spoon that has a 3.00 cm...Problem 56PE:
Find the magnification of the heater element in Example 25.9. Note that its large magnitude helps...Problem 57PE:
What is the focal length of a makeup mirror that produces a magnification of 1.50 when a person’s...Problem 58PE:
A shopper standing 3.00 m from a convex security minor sees his image with a magnification of 0.250....Problem 59PE:
An object 1.50 cm high is held 3.00 cm from a person’s cornea, and its reflected image is measured...Problem 60PE:
Ray tracing for a flat mirror shows that the image is located a distance behind the mirror equal to...Problem 61PE:
Show that for a flat mirror hi= ho, knowing that the image is a distance behind the mirror equal in...Problem 62PE:
Use the law of reflection to prove that the focal length of a mirror is hall its radius of...Problem 63PE:
Referring to the electric room heater considered in the first example in this section, calculate the...Browse All Chapters of This Textbook
Chapter 1 - Introduction: The Nature Of Science And PhysicsChapter 2 - KinematicsChapter 3 - Two-dimensional KinematicsChapter 4 - Dynamics: Force And Newton's Laws Of MotionChapter 5 - Further Applications Of Newton's Laws: Friction, Drag, And ElasticityChapter 6 - Gravitation And Uniform Circular MotionChapter 7 - Work, Energy, And Energy ResourcesChapter 8 - Linear Momentum And CollisionsChapter 9 - Statics And TorqueChapter 10 - Rotational Motion And Angular Momentum
Chapter 11 - Fluid StaticsChapter 12 - Fluid Dynamics And Its Biological And Medical ApplicationsChapter 13 - Temperature, Kinetic Theory, And The Gas LawsChapter 14 - Heat And Heat Transfer MethodsChapter 15 - ThermodynamicsChapter 16 - Oscillatory Motion And WavesChapter 17 - Physics Of HearingChapter 18 - Electric Charge And Electric FieldChapter 19 - Electric Potential And Electric FieldChapter 20 - Electric Current, Resistance, And Ohm's LawChapter 21 - Circuits, Bioelectricity, And Dc InstrumentsChapter 22 - MagnetismChapter 23 - Electromagnetic Induction, Ac Circuits, And Electrical TechnologiesChapter 24 - Electromagnetic WavesChapter 25 - Geometric OpticsChapter 26 - Vision And Optical InstrumentsChapter 27 - Wave OpticsChapter 28 - Special RelativityChapter 29 - Introduction To Quantum PhysicsChapter 30 - Atomic PhysicsChapter 31 - Radioactivity And Nuclear PhysicsChapter 32 - Medical Applications Of Nuclear PhysicsChapter 33 - Particle PhysicsChapter 34 - Frontiers Of Physics
Sample Solutions for this Textbook
We offer sample solutions for College Physics homework problems. See examples below:
Chapter 1, Problem 1CQChapter 2, Problem 1CQGiven: The given figure is, Figure (1) Formula used: The velocity of particle is given as, v=ΔxΔt...Chapter 3, Problem 1CQGiven: The given table is, Height (m)Time...Chapter 4, Problem 1CQChapter 5, Problem 1CQChapter 6, Problem 1CQChapter 7, Problem 1CQ
Given: Distance traveled with rocket engine firing ( m)Payload final velocity (...Chapter 8, Problem 1CQGiven: The mass of the girl is m=40 kg. The mass of the platform is m=120 kg. The initial speed of...Introduction: An experiment can be performed in which the two carts will be placed on a straight...Given: The mass of puck A is mA=200 g. The mass of puck B is mB=800 g. Formula used: The initial...Given: Mass of A, ma=3m. Mass of B, mb=m. Velocity of mass A before collision, ua=12 m/s. Velocity...Given: Velocity of object A before collision, ua=4 m/s. Velocity of object B before collision, ub=−8...Given: The positions of two objects before and after collision are depicted in the following figure....Given: Mass of A is ma=1.0 kg. Mass of B is mb=3.0 kg. Initial velocity of mass A is ua=8 m/s....Given: Mass of A is ma=1.0 kg. Mass of B is mb=1.0 kg. Initial velocity of mass A is ua=4 m/s....Given: Let the mass of A be m1. The mass m2 of B is m2=2m1. The initial velocity of mass B is...Given: The mass A is moving in +x direction with an initial velocity, v1=15 m/s. The mass of B is,...Given: The mass of car A is, m1=2000 kg. The initial velocity of car A is, v1=38 m/s in the east...Chapter 9, Problem 1CQGiven: The mass of the bridge is, m=2500 kg. Formula used: The relation between the mass and weight...Given: The mass of the bridge is M=2500 kg. The mass of the car is m=900 kg. The distance of weight...Given: The mass of the woman is m1=50 kg. The acceleration due to gravity is g=9.8 m/s2. Formula...Given: Number of bricks in the wheel barrow is 20. Mass of each brick is 3 kg. Formula used: Write...Given: The weight of the dumbbell is w1=20 lb. Formula used: The relation between the mass and...Chapter 10, Problem 1CQChapter 11, Problem 1CQGiven info: The manometer along balloon and jar is shown below: Height of the liquid inside the...Given: Mass of brace, mb=150 kg Mass of load, ml=400 kg Formula used: The Force for the slave...Given info: The radius of volleyball increases by 10%. Formula used: Density is mass per unit volume...Given: Density of water, Volume of liquid, Formula Used: A polystyrene cube floating partially...Chapter 12, Problem 1CQGiven: Diameter of pipe =3.5cm Force= 320 N Rate of flowing water = 2.5m/s Pumped water level = 21m...Chapter 13, Problem 1CQChapter 14, Problem 1CQChapter 15, Problem 1CQChapter 16, Problem 1CQChapter 17, Problem 1CQGiven: The distance between bat and insect is 3.00 m. The temperatures at which echo times is to be...Given: Refer Table [17.8] The value of acoustic impedance of transducer material is, Zt=30.8×106...Given: The frequency of the car's horn is fhorn=200 Hz. Formula used: The expression for the...Given: The data length of an air column and a resonant frequency present when the column is struck...Chapter 18, Problem 1CQGiven: Point charges located at 1.00 cm, 5.00 cm, 8.00 cm and 14.0 cm along the x -axis. Formula...Given: Point charges located at 3.00, 8.00 and 11.0 cm along the x -axis. Formula used: Electric...Given: Four charges qa, qb, qc, qd placed at each corner of the square with side 5 cmhaving...Given: qb=+10.00μC qc=−5.00μC Side of an equilateral triangle 25.0 cm Formula used: E=Ebcosφ...Given: qa=+2.50 nC qb=−8.00 nC qc=+1.50 nC Point charges located at the corners of an equilateral...Formula used: The magnitude of the electrostatic force between two electrons isgiven by: FC=kq2r2...Introduction: The lines of forces are imaginary which signify amplitude and direction of an electric...Chapter 19, Problem 1CQGiven info: Charges q1=1 μCq2=−2 μCq3=3 μC Formula used: The potential energy is given by PE=−kq1q2d...Given: The charge of the particle is identical, that is, q=q. The impact of the second particle on...Chapter 20, Problem 1CQGiven: WireLengthDiameterWire 12m1cmWire 21m0.5 cmWire 31m1cm Formula used: Resistance in the wire...Given information: The given statement is a switch has a variable resistance that is nearly zero...Given information: The given figure is Introduction: Kirchhoff's junction rule states that the sum...Given information: The given figure is Formula used: Kirchhoff's second rule states that in a closed...Given information: The given figure is Introduction: Ammeter is connected in series in the circuit...Given information: The given figure is Introduction: Kirchhoff's second rule states that in a closed...Given information: The given figure is Concept Introduction: Kirchhoff's second rule states that in...Given information: The voltage of alkaline cell is 1.585 V. An internal resistance is 0.100Ω....Given information: Figure shows how a bleeder resistor is used to discharge a capacitor after an...Given: Parallel combination of two 20 Ω and one 10 Ω resistors is connected in series with a 4Ω...Chapter 22, Problem 1CQGiven: Current carrying wire is placed at the vertices of an equilateral triangle of side 10.0 cm=...Given: A pendulum is set up so that its bob swings between the poles of permanent magnet. Charge on...Chapter 23, Problem 1CQGiven information: An ideal step-up transformer with turn ratio 1:30 is supplied with an input power...Chapter 24, Problem 1CQChapter 25, Problem 1CQChapter 26, Problem 1CQChapter 27, Problem 1CQIntroduction: The resultant amplitude of two waves with equal amplitude is given by A2=2A12(1+cosδ)...Given: The nth -order diffraction angle for the longest wavelength is, θl1=53.13°. The longest...Chapter 28, Problem 1CQGiven: The Relativistic energy is E, Themomentum is p, The rest mass is m0 The speed of light is c....Chapter 29, Problem 1CQChapter 30, Problem 1CQGiven: The wavelength of first photon is λ1=121.6 nm. The wavelength of second photon is λ2=102.6...Given: The energy of the level 2 is E2=−3.4 eV. The energy of the level 3 is E3=−1.5 eV. Formula...Chapter 31, Problem 1CQChapter 32, Problem 1CQIntroduction: The formation of one or more different atomic nuclei and the subatomic particles by...Given: The reaction of nuclear fission is n01+U92235→U92236→B56141a +Ky92r + x n01 Formula Used: An...Chapter 33, Problem 1CQChapter 34, Problem 1CQ
More Editions of This Book
Corresponding editions of this textbook are also available below:
COLLEGE PHYSICS (OER)
1st Edition
ISBN: 9781947172012
COLLEGE PHYSICS
2nd Edition
ISBN: 9781711470832
COLLEGE PHYSICS
13th Edition
ISBN: 2810014673880
College Physics for AP Courses
1st Edition
ISBN: 9781630181871
College Physics
1st Edition
ISBN: 9781938168048
College Physics For Ap® Courses
16th Edition
ISBN: 9781938168932
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