Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Question
Chapter 7.5, Problem 12SC
To determine
The nature of the light considered today.
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Electromagnetic waves in certain wavelength ranges interact with water molecules because the molecules have a large electric dipole moment. The electric field of the waveA. Exerts a net force on the water molecules.B. Exerts a net torque on the water molecules.C. Exerts a net force and a net torque on the water molecules.
10. Of the available choices, the color
most energetic.
has the shortest wavelength and is the
a. Blue
b. White
c. Red
d. Black
e. Green
11. Which of the following is not true regarding electrmagnetic energy?
a. Electromagnetic energy travels through empty space
b. All wavelengths of electromagnetic energy travel at the same speed
c. The visible portion of the spectrum ccomprises only a small part of the total range of
electromagnetic energy.
d. A given wavelength is directly proportional to the energy contained in that wavelength
e. The hotter an object, the more energy it emits at all wavelengths
12. Which wavelength contains the most energy?
а. 25 um
b. .05um
c. 1.5μm
d. 100um
е. .001um
13. The amount of energy
as the wavelength
a. increases; increases
b. decreases; increases
c. decreases; decreases
14. The sensation of heat is produced by
a. visible light
b. x-rays
c. radiowaves
d. infrared
e. ultra-violet
in the northern hemisphere and rotate
15. Cyclones rotate
in the southern…
CQ 23. The intensity of a beam of light is increased but the light’s frequency is unchanged. As a result, which of the following (perhaps more than one) are true? Explain.
A. The photons travel faster.
B. Each photon has more energy.
C. The photons are larger.
D. There are more photons per second.
Chapter 7 Solutions
Integrated Science
Ch. 7.1 - Prob. 1SCCh. 7.1 - Prob. 2SCCh. 7.1 - Prob. 3SCCh. 7.2 - Prob. 4SCCh. 7.2 - Prob. 5SCCh. 7.2 - Prob. 6SCCh. 7.2 - Prob. 7SCCh. 7.3 - Prob. 8SCCh. 7.3 - Prob. 9SCCh. 7.4 - Prob. 10SC
Ch. 7.4 - Prob. 11SCCh. 7.5 - Prob. 12SCCh. 7 - What determines if an electromagnetic wave emitted...Ch. 7 - Prob. 2CQCh. 7 - Prob. 3CQCh. 7 - Prob. 4CQCh. 7 - Prob. 5CQCh. 7 - Prob. 6CQCh. 7 - Prob. 7CQCh. 7 - Prob. 8CQCh. 7 - Prob. 9CQCh. 7 - Prob. 10CQCh. 7 - Prob. 11CQCh. 7 - Prob. 12CQCh. 7 - Prob. 13CQCh. 7 - Prob. 14CQCh. 7 - Prob. 15CQCh. 7 - Prob. 16CQCh. 7 - Prob. 17CQCh. 7 - Prob. 18CQCh. 7 - Prob. 1PEACh. 7 - Prob. 2PEACh. 7 - Prob. 3PEACh. 7 - Prob. 4PEACh. 7 - Prob. 5PEACh. 7 - Prob. 6PEACh. 7 - Prob. 7PEACh. 7 - Prob. 8PEACh. 7 - Prob. 9PEACh. 7 - Prob. 10PEACh. 7 - Prob. 1PEBCh. 7 - Prob. 2PEBCh. 7 - Prob. 3PEBCh. 7 - Prob. 4PEBCh. 7 - Prob. 5PEBCh. 7 - Prob. 6PEBCh. 7 - Prob. 7PEBCh. 7 - Prob. 8PEBCh. 7 - Prob. 9PEBCh. 7 - Prob. 10PEB
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- (a) What is the wavelength of a 1.00-eV photon? (b) Find its frequency in hertz. (c) Identify the type of EM radiation.arrow_forwardReview. Around the core of a nuclear reactor shielded by a large pool of water. Cerenkov radiation appears as a blue glow. (See Fig. P16.39 on page 448.) Cerenkov radiation occurs when a particle travels faster through a medium than the speed of light in that medium. It is the electromagnetic equivalent of a bow wave or a sonic boom. An electron is traveling through water at a speed 10.0% faster than the speed of light in water. Determine the electrons (a) total energy, (b) kinetic energy, and (c) momentum. (d) Find the angle between the shock wave and the electrons direction of motion.arrow_forwardLunar astronauts placed a reflector on the Moon’s surface, off which a laser beam is periodically reflected. The distance to the Moon is calculated from the round-trip time. (a) To what accuracy in meters can the distance to the Moon be determined, If this time can be measured to 0.100 ns? (b) What percent accuracy is this, given the average distance to the Moon is 384,480 kin?arrow_forward
- The radiant energy from the sun reaches its maximum at a wavelength of about 500.0 nm. What is the approximate temperature of the sun’s surface?arrow_forwardWhat is the wavelength of an electron moving at 3.00% of the speed of light?arrow_forward16. Light has a frequency of 5.45 1014 hertz [Note: Hz is also s-1]. What is its wavelength? Use the speed of light = 3.00 108 m/s. a. 1.82 106 nm b. 1.82 10-3 nm c. 1.82 105 nm d. 5.50 10-7 nm e. 550 nmarrow_forward
- Space-based telescopes are needed to observe electromagnetic energy that cannot reach the surface of Earth. The regions of the electromagnetic energy spectrum that do reach Earth’s surface pass through what are referred to as a. atmospheric windows. b. atmospheric portals. c. electromagnetic openings. d. extreme wavelengths. e. visible and radio waves.arrow_forward1. List the following types of electromagnetic radiation in order of increasing wavelength: visible light (v), infrared light (i), ultraviolet light (u), gamma rays (g), tv signals (t), x-rays (x), and microwaves (m). A. g,t,x,v,i,u B. t,x,g,i,u,v C. v,u,i,g,x,t D. g,x,u,v,i,tarrow_forwardWhich of the following statements about EM waves below is FALSE? Şelect one: O 1. An EM wave can travel through vacuum. O 2. The EM wave always propagates in a direction perpendicular to the magnetic field direction. O 3. The directions of the magnetic field and the electric field in an EM wave are not always perpendicular to each other. O 4. DC voltage source cannot produce electromagnetic waves.arrow_forward
- An electromagnetic wave is allowed to reflect from a mirror in a measurement of radiation pressure. If Erms is doubled while the wave frequency is cut in half, then the radiation pressure will a. remain the same. b. quadruple. c. double. d. be cut in half.arrow_forward11. Which of the following is not true regarding electrmagnetic energy? a. Electromagnetic energy travels through empty space b. All wavelengths of electromagnetic energy travel at the same speed c. The visible portion of the spectrum ccomprises only a small part of the total range of electromagnetic energy. d. A given wavelength is directly proportional to the energy contained in that wavelength e. The hotter an object, the more energy it emits at all wavelengths 12. Which wavelength contains the most energy? а. 25 um b. .05um с. 1.5um d. 100um e. .001μm 13. The amount of energy as the wavelength a. increases; increases b. decreases; increases c. decreases; decreasesarrow_forward
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