Chapter 33 - Cutnell/Johnson Physics 7 th edition Classroom...

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Unformatted text preview: Cutnell/Johnson Physics 7 th edition Classroom Response System Questions Chapter 33 Electromagnetic Waves Reading Quiz Questions 33.2.1. Which one of the following statements concerning electromagnetic waves is false? a) One form of electromagnetic radiation is visible light. b) All electromagnetic waves travel through a vacuum region at the speed of light. c) All electromagnetic waves are transverse waves. d) All electromagnetic waves have the same frequency. e) Electromagnetic waves can travel through solids, liquids, gases, and vacuum regions. 33.2.1. Which one of the following statements concerning electromagnetic waves is false? a) One form of electromagnetic radiation is visible light. b) All electromagnetic waves travel through a vacuum region at the speed of light. c) All electromagnetic waves are transverse waves. d) All electromagnetic waves have the same frequency. e) Electromagnetic waves can travel through solids, liquids, gases, and vacuum regions. 33.2.2. Which scientist is credited with showing that electric and magnetic fields can fluctuate together to form a propagating electromagnetic wave? a) Maxwell b) Bose c) Huygens d) Crick e) Watson 33.2.2. Which scientist is credited with showing that electric and magnetic fields can fluctuate together to form a propagating electromagnetic wave? a) Maxwell b) Bose c) Huygens d) Crick e) Watson 33.2.3. Which of the following types of waves is not part of the electromagnetic spectrum? a) microwaves b) gamma rays c) ultraviolet radiation d) radio waves e) sound waves 33.2.3. Which of the following types of waves is not part of the electromagnetic spectrum? a) microwaves b) gamma rays c) ultraviolet radiation d) radio waves e) sound waves 33.3.1. One type of antenna can be made that is composed of two straight wires connected to an ac generator. Which one of the following statements concerning this type of antenna and electromagnetic waves is false? a) As the potential difference at the terminals varies sinusoidally, electrons move between the ends of the wires. b) When one of the wires has a net positive charge, the other wire has a net negative charge. c) The generator continually injects electrons into the wires. d) The electric field and magnetic field vectors of the electromagnetic waves generated are perpendicular to each other when they are far from the antenna. e) At each position far from the antenna, the amplitude of the electric and magnetic fields is the same. 33.3.1. One type of antenna can be made that is composed of two straight wires connected to an ac generator. Which one of the following statements concerning this type of antenna and electromagnetic waves is false? a) As the potential difference at the terminals varies sinusoidally, electrons move between the ends of the wires....
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This note was uploaded on 05/23/2011 for the course MATH 130 taught by Professor Page during the Spring '11 term at Imperial College.

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Chapter 33 - Cutnell/Johnson Physics 7 th edition Classroom...

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