Light Is an Electromagnetic Wave

question 1

Multiple Choice

Light is an electromagnetic wave.When visible light is plane polarized,

• A)the electric-field vector is parallel to the magnetic-field vector.
• B)the electric-field vector is parallel to the direction of propagation.
• C)the electric-field vector is in a fixed direction perpendicular to the direction of propagation,but the magnetic-field vector may be in any direction.
• D)the electric-field vector is in a fixed direction perpendicular to the direction of propagation,and the magnetic-field vector is perpendicular to the electric-field vector.
• E)None of these is correct.

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