Solutions for UNIVERSITY PHYSICS,VOL.2 (OER)
Problem 16.1CYU:
Check Your Understanding When the emf across a capacitor Is turned on and the capacitor Is allowed...Problem 16.2CYU:
Check Your Understanding Could a purely electric field propagate as a wave through a vacuum without...Problem 16.3CYU:
Check Your Understanding The wave equation was obtained by (1) finding the E field produced by the...Problem 16.4CYU:
Check Your Understanding What conclusions did our analysis of Maxwell's equations lead to about...Problem 16.5CYU:
Check Your Understanding How would the speed and acceleration of a radiation-propelled spacecraft be...Problem 16.6CYU:
Check Your Understanding How do the electromagnetic waves f the different kinds of electromagnetic...Problem 1CQ:
Explain how the displacement current maintains the continuity of current in a circuit containing a...Problem 2CQ:
Describe the field lines of the induced magnetic field along the edge of the imaginary horizontal...Problem 3CQ:
Why is it much easier to demonstrate in a student lab that a changing magnetic field induces an...Problem 4CQ:
If the electric field of an electromagnetic wave is oscillating along the z-axis and the magnetic...Problem 5CQ:
In which situation shown below will the electromagnetic wave be more successful in inducing a...Problem 6CQ:
In which situation shown below will the electromagnetic wave be more successful in inducing a...Problem 7CQ:
Under what conditions might wires in a circuit wher the current flows in only one direction emit...Problem 8CQ:
Shown below is the interference pattern of two radio antennas broabcasting the same signal. Explain...Problem 9CQ:
When you stand outdoors in the sunlight, y can you feel the energy that the sunlight carries, but...Problem 10CQ:
How does the intensity of an electromagnetic wave depend on its electric field? How does it depend...Problem 12CQ:
A 2.0-mW helium-neon laser transmits a continuous beam of red light of cross-sectional area 0.25...Problem 13CQ:
Why is t1 radiation pressure of an electromagnetic wave on a perfectly reflecting surface twice as...Problem 14CQ:
Why did the early Hubble Telescope photos of Cornet Ison approaching Earth show it to have merely a...Problem 15CQ:
(a) If the electric field and magnetic field in a sinusoidal plane wave were interchanged, in Which...Problem 16CQ:
Compare the speed, wavelength, and frequency of radio waves and X-rays traveling in a vacuum.Problem 17CQ:
Accelerating electric charge emits electromagnetic radiation. How does this apply in each case: (a)...Problem 18CQ:
Compare and contrast the meaning of the prefix “micro” in the names of SI units in the term...Problem 19CQ:
Part of the light passing through the air is scattered in all directions by the molecules comprising...Problem 20CQ:
When a bowl of soup is removed from a microwave oven, the soup is found to be steaming hot, s1wreas...Problem 21CQ:
Certain orientations of a broadcast television antenna give better reception than others for a...Problem 22CQ:
What property of light corresponds to loudness in sound?Problem 24CQ:
Can the human body detect electromagnetic radiation that is outside the visible region of the...Problem 25CQ:
Radio waves normally have their E and B fields in specific directions, whereas visible light usually...Problem 27CQ:
Illustrate that the size of details of an object that can be detected with electromagnetic waves is...Problem 28CQ:
In which pan of the electromagnetic spectrum are each of these waves: (a) f=10.0kHz , (b) f==750nm ,...Problem 29CQ:
In what range of electromagnetic radiation are the electromagnetic waves emitted by power lines in a...Problem 30CQ:
If a microwave oven could be modified to merely tune the waves generated to be in the infrared range...Problem 31CQ:
A leaky microwave oven in a home can sometimes cause interference with the homeowner’s WIFI system....Problem 32CQ:
When a television news anchor in a studio speaks to a reporter in a distant country, there is...Problem 33P:
Show that the magnetic field at a distance r from the axis of two circular parallel plates, produced...Problem 34P:
Express the displacement current in a capacitor in terms of the capacitance and the rate of change...Problem 35P:
A potential difference V(t) = V0sin tis maintained across a parallel-plate capacitor with...Problem 36P:
Suppose the parallel-plate capacitor shown below is accumulating charge at a rate of 0.010 C’s. What...Problem 37P:
The potential difference V(t) between parallel plates shown above is instantaneously increasing at a...Problem 38P:
A parallel-plate capacitor has a plate area of A=0.250m2 and a separation of 0.0100 in. What must be...Problem 39P:
The voltage across a parallel-plate capacitor with area A=800cm2 and separation d = 2 mm varies...Problem 40P:
The voltage across a parallel-plate capacitor with area A and separation d varies with time t as V =...Problem 41P:
If the Sun suddenly turned off, we would not know it until its light stopped coming. How long would...Problem 42P:
What is the maximum electric field strength in an electromagnetic wave that has a maximum magnetic...Problem 44P:
If electric and magnetic field strengths vary sinusoidally in time at frequency 1.00 GHz, being zero...Problem 45P:
The electric field of an electromagnetic wave traveling in vacuum is described by the following wave...Problem 46P:
A plane electromagnetic wave of frequency 20 GHz moves in the positive y-axis direction such that...Problem 47P:
The following represents an electromagnetic wave traveling in the direction of the positive y-axis:...Problem 48P:
While outdoors on a sunny day, a student holds a large convex lens of radius 4.0 cm above a sheet of...Problem 49P:
A plane electromagnetic wave travels northward. At one instant, its electric field has a magnitude...Problem 50P:
The electric field of an electromagnetic wave is given by E=(6.0103V/m)sin[2(x18mt6.0 10 8s)] j...Problem 51P:
A radio station broadcasts at a frequency of 760 kHz. At a receiver some distance from the antenna,...Problem 52P:
The filament in a clear incandescent light bulb radiates visible light at a power of 5.00 W. Model...Problem 53P:
At what distance does a 100-W lightbulb produce the same intensity of light as a 75-W lightbulb...Problem 54P:
An incandescent light bulb emits only 2.6 W of its power as visible light. What is the rms electric...Problem 55P:
A 150-W lightbulb emits 5% of its energy as electromagnetic radiation. What is the magnitude of the...Problem 56P:
A small helium-neon laser has a power output of 2.5 mW What is the electromagnetic energy in a 1.0-m...Problem 57P:
At the top of Earth’s atmosphere, the time-averaged Porting vector associated with sunlight has a...Problem 58P:
The magnetic field of a plane electromagnetic wave moving along the z axis is given by B...Problem 59P:
What is the intensity of an electromagnetic wave with a peak electric field strength of 125 Vim?Problem 60P:
Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of...Problem 61P:
An AM radio transmitter broadcasts 50.0 kW of power uniformly in all directions. (a) Assuming all of...Problem 62P:
Suppose the maximum safe intensity of microwaves for human exposure is taken to be 1,00 W/m2. (a) If...Problem 63P:
A 2.50-rn-diameter university communications satellite dish receives TV sigia1s that have a maximum...Problem 64P:
Lasers can be constructed that produce an extremely high intensity electromagnetic wave for a brief...Problem 65P:
A 1-W lightbulb emits 5% of its energy as electromagnetic radiation. What is the radiation pressure...Problem 66P:
What pressure does light emitted uniformly in all directions from a 100-W incandescent light bulb...Problem 67P:
A microscopic spherical dust particle of radius 2m and mass 10g is moving in outer space at a...Problem 68P:
A Styrofoam spherical ball of radius 2 mm and mass 20g is to be suspended by the radiation pressure...Problem 69P:
Suppose that S avg for sunlight at a point on the surface of Earth is 900W/m2. (a) If sunlight falls...Problem 70P:
reaches the ground with an intensity of about 1.0kW/m2 . A sunbather has a body surface area of 0.8...Problem 71P:
Suppose a spherical particle of mass m and radius R in space absorbs light of intensity I for time...Problem 72P:
How many helium atoms, each with a radius of about 31 pm, must be placed end to end to have a length...Problem 73P:
If you wish to detect details of the size of atoms (about 0.2 nm) with electromagnetic radiation, it...Problem 74P:
Find the frequency range of visible light, given that it encompasses wavelengths from 380 to 760 nm.Problem 75P:
(a) Calculate the wavelength range for AM radio given its frequency range Is 540 to 1600 kHz. (b) Do...Problem 76P:
Radio station WWVB, operated by the National Institute of Standards and Technology (NIST) from Fort...Problem 77P:
An outdoor WIFi unit for a picnic area has a 100-mW output and a range of about 30 m. What output...Problem 78P:
The prefix “mega” (M) and “kilo” (k), when referring to amounts of computer data, refer to factors...Problem 79P:
A computer user finds that his wireless router transmits data at a rate of 75 Mbps (megabits per...Problem 80P:
(a) The ideal size (most efficient) for a broadcast antenna with one end on the ground is one-fourth...Problem 81P:
What are the wavelengths of (a) X-rays of frequency 2.01017 Hz? (b) Yellow light of frequency...Problem 82P:
For red light of =660nm , what are f,, and k?Problem 83P:
A radio transmitter broadcasts plane electromagnetic waves whose maximum electric field at a...Problem 84P:
(a) Two microwave frequencies authorized for use in microwave ovens are: 915 and 2450 MHz. Calculate...Problem 85P:
During normal beating, the heart creates a maximum 4.00-mV potential across 0.300 m of a person’s...Problem 86P:
Distances in space are often quoted in units of light years, the distance ugh travels in 1 year. (a)...Problem 87P:
A certain 60.0-Hz ac power line radiates an electromagnetic wave having a maximum electric field...Problem 88P:
(a) What is the frequency of the 193-nm ultraviolet radiation used in laser eye surgery? (b)...Problem 89AP:
In a region of space, the electric field is pointed along the x-axis, but its magnitude changes as...Problem 90AP:
A microwave oven uses electromagnetic waves of frequency f=2.45109 to heat foods. The waves reflect...Problem 91AP:
Galileo proposed measuring the speed of light by uncovering a lantern and having an assistant a...Problem 92AP:
Show that the wave equation in one dimension 2fx2=1v22ft2 Is satisfied by any doubly differentiable...Problem 93AP:
On its highest power setting, a microwave oven increases the temperature of 0.400 kg of spaghetti by...Problem 94AP:
A certain microwave oven projects 1.00 kW of microwaves onto a 30-cm-by-40-cm area. (a) What is its...Problem 95AP:
E1ecmagnedc radiation from a 5.00-mW laser is concentrated on a 100-mm2 area. (a) What is the...Problem 96AP:
A 200-turn flat coil of wire 30.0 cm in diameter acts as an antenna for FM radio at a frequency of...Problem 97AP:
Suppose a source of electromagnetic waves radiates uniformly in all directions in empty space where...Problem 98AP:
A radio station broadcasts its radio waves with a power of 50,000 W. What would be the intensity of...Problem 99AP:
The Poynting vector describes a flow of energy whenever electric and magnetic fields are present....Problem 100AP:
The Sun’s energy strikes Earth at an intensity of 1.37kW/m2 . Assume as a mode! approximation that...Problem 101AP:
If a Lightsail spacecraft were sent on a Mars mission, by si1at ratio of the final force to the...Problem 102AP:
Lunar astronauts placed a reflector on the Moon’s surface, off which a laser beam is periodically...Problem 103AP:
Radar is used to determine distances to various objects by measuring the round-trip time for an echo...Problem 104AP:
Calculate the ratio of the highest to lowest frequencies of electromagnetic waves the eye can see,...Problem 105AP:
How does the wavelength of radio waves for an AM radio station broadcasting at 1030 KHz compare with...Browse All Chapters of This Textbook
Chapter 1 - Temperature And HeatChapter 2 - The Kinetic Theory Of GasesChapter 3 - The First Law Of ThermodynamicsChapter 4 - The Second Law Of ThermodynamicsChapter 5 - Electric Charges And FieldsChapter 6 - Gauss's LawChapter 7 - Electric PotentialChapter 8 - CapacitanceChapter 9 - Current And ResistanceChapter 10 - Direct-current Circuits
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UNIVERSITY PHYSICS VOL.2 (OER)
17th Edition
ISBN: 9781506698168
University Physics Volume 2
18th Edition
ISBN: 9781938168161
UNIVERSITY PHYSICS,VOL.1 (OER)
18th Edition
ISBN: 2810021150053
UNIVERSITY PHYSICS,VOL.2 (OER)
18th Edition
ISBN: 2810020283899
UNIVERSITY PHYSICS,VOL.2 (OER)
17th Edition
ISBN: 2810022229031
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