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Week 13 Quiz
Enter your surname starting with an uppercase letter (e.g. Urminsky)
Suppose you are looking into one end of a long cylindrical tube in which there is a uniform electric field, pointing away from you. If the magnitude of the field is decreasing with time the direction of the induced magnetic field lines are:
away from you
to your right
The electric field for a plane electromagnetic wave traveling in the +y direction as shown above. Consider a point where The electric field is in the +z direction. The magnetic field is:
in the +x direction
in the -x direction
in the -y direction
in the +y direction
in the +z direction
in the -z direction
Which of the diagrams above illustrates the path of a light ray as it travels from a given point X in air to another given point Y in glass?
If the index of refraction for water is, n=1.33, what is the angle of refraction for the ray shown above?
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