Question 1

A certain electromagnetic field traveling in vacuum has a maximum electric field of 1200 V/m.What is the maximum magnetic field of this wave? (c = 3.0 × 108 m/s)

Accepted Answer

A) 3.4 × 10-4 T 
B) 4.0 × 10-6 T 
C) 2.2 × 10-5 T 
D) 9.6 × 10-6 T 
E) 8.7 × 10-6 T 
A) 3.4 × 10-4 T 
B) 4.0 × 10-6 T 
C) 2.2 × 10-5 T 
D) 9.6 × 10-6 T 
E) 8.7 × 10-6 T

Question 2

Which one of the following lists gives the correct order of the electromagnetic waves from longer wavelength to shorter wavelength?

Accepted Answer

A) radio waves,infrared,microwaves,ultraviolet,visible,x-rays,gamma rays 
B) radio waves,ultraviolet,x-rays,microwaves,infrared,visible,gamma rays 
C) radio waves,microwaves,visible,x-rays,infrared,ultraviolet,gamma rays 
D) radio waves,microwaves,infrared,visible,ultraviolet,x-rays,gamma rays 
E) radio waves,infrared,x-rays,microwaves,ultraviolet,visible,gamma rays 
A) radio waves,infrared,microwaves,ultraviolet,visible,x-rays,gamma rays 
B) radio waves,ultraviolet,x-rays,microwaves,infrared,visible,gamma rays 
C) radio waves,microwaves,visible,x-rays,infrared,ultraviolet,gamma rays 
D) radio waves,microwaves,infrared,visible,ultraviolet,x-rays,gamma rays 
E) radio waves,infrared,x-rays,microwaves,ultraviolet,visible,gamma rays

Question 3

In an electromagnetic wave in free space,the electric and magnetic fields are

Accepted Answer

A) parallel to one another and perpendicular to the direction of wave propagation. 
B) parallel to one another and parallel to the direction of wave propagation. 
C) perpendicular to one another and perpendicular to the direction of wave propagation. 
D) perpendicular to one another and parallel to the direction of wave propagation. 
A) parallel to one another and perpendicular to the direction of wave propagation. 
B) parallel to one another and parallel to the direction of wave propagation. 
C) perpendicular to one another and perpendicular to the direction of wave propagation. 
D) perpendicular to one another and parallel to the direction of wave propagation.

A certain electromagnetic field traveling in vacuum has a maximum electric field of 1200 V/m.What is the maximum magnetic field of this wave? (c = 3.0 × 10⁸ m/s)

Which one of the following lists gives the correct order of the electromagnetic waves from longer wavelength to shorter wavelength?

In an electromagnetic wave in free space,the electric and magnetic fields are

Introduction to Physics

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Vectors in Physics

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Newtons Laws of Motion

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Oscillations About Equilibrium

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The Laws of Thermodynamics

Electric Charges, Forces, and Fields

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Exam 25: Electromagnetic Waves

A certain electromagnetic field traveling in vacuum has a maximum electric field of 1200 V/m.What is the maximum magnetic field of this wave? (c = 3.0 × 108 m/s)

Which one of the following lists gives the correct order of the electromagnetic waves from longer wavelength to shorter wavelength?

In an electromagnetic wave in free space,the electric and magnetic fields are

Introduction to Physics

One-Dimensional Kinematics

Vectors in Physics

Two-Dimensional Kinematics

Newtons Laws of Motion

Applications of Newtons Laws

Work and Kinetic Energy

Potential Energy and Conservation of Energy

Linear Momentum and Collisions

Rotational Kinematics and Energy

Rotational Dynamics and Static Equilibrium

Gravity

Oscillations About Equilibrium

Waves and Sound

Fluids

Temperature and Heat

Phases and Phase Changes

The Laws of Thermodynamics

Electric Charges, Forces, and Fields

Electric Potential and Electric

Electric Current and Direct-Current Circuits

Magnetism

Magnetic Flux and Faradays Law of Induction

Alternating-Current Circuits

Geometrical Optics

Optical Instruments

Physical Optics: Interference and Diffraction

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics and Nuclear Radiation

Filters

A certain electromagnetic field traveling in vacuum has a maximum electric field of 1200 V/m.What is the maximum magnetic field of this wave? (c = 3.0 × 10⁸ m/s)