The magnetic field of a plane-polarized electromagnetic wave moving in the z-direction is given by
$B = 1.2 \times 10 ^ { - 6 } \sin \left[ 2 \pi \left( \frac { z } { 240 } - \frac { t \times 10 ^ { 7 } } { 8 } \right) \right]$
in SI units.What is the wavelength of the EM wave?
A)120 m
B)240 m
C)60 m
D)100 m
E)360 m

Question

The magnetic field of a plane-polarized electromagnetic wave moving in the z-direction is given by 
$B = 1.2 \times 10 ^ { - 6 } \sin \left[ 2 \pi \left( \frac { z } { 240 } - \frac { t \times 10 ^ { 7 } } { 8 } \right) \right]$
 in SI units.What is the wavelength of the EM wave?
A)120 m
B)240 m
C)60 m
D)100 m
E)360 m

Quizplus · Accepted Answer

The Answer of The magnetic field of a plane-polarized electromagnetic wave moving in the z-direction is given by 
$B = 1.2 \times 10 ^ { - 6 } \sin \left[ 2 \pi \left( \frac { z } { 240 } - \frac { t \times 10 ^ { 7 } } { 8 } \right) \right]$
 in SI units.What is the wavelength of the EM wave?
A)120 m
B)240 m
C)60 m
D)100 m
E)360 m

The Magnetic Field of a Plane-Polarized Electromagnetic Wave Moving in the Z-Direction