Problem 7: The electric field of an electromagnetic wave traveling in vacuum is described by the following wave function: E = (5.00V/m) cos [kx − (6.00 × 10° s¯¹)t +0.40]j^ where x is in units of meters, k is in units of radians per meter, and t is in units of seconds.

University Physics Volume 2
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ISBN:9781938168161
Author:OpenStax
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Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 45P: The electric field of an electromagnetic wave traveling in vacuum is described by the following wave...
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Question 7:

Part (a)  Determine the amplitude in units of volts per meter.

A = ______V/m

Part (b)  Determine the frequency in units of hertz.  

f = ______ Hz

Part (c)  Determine the wavelength in units of centimeters.

λ = ______ cm

Problem 7: The electric field of an electromagnetic wave traveling in vacuum is described by the following wave function:
Ẻ = (5.00V/m) cos [kx − (6.00 × 10° s¯¹ )t + 0.40]j^
where x is in units of meters, k is in units of radians per meter, and t is in units of seconds.
Transcribed Image Text:Problem 7: The electric field of an electromagnetic wave traveling in vacuum is described by the following wave function: Ẻ = (5.00V/m) cos [kx − (6.00 × 10° s¯¹ )t + 0.40]j^ where x is in units of meters, k is in units of radians per meter, and t is in units of seconds.
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