WorksheetsLecture 13 Quiz - Due Thursday, February 25, 2021
Total questions: 3
Worksheet time: 45mins
The magnitude of the electric field in an EM wave is doubled. What happens to the intensity of the wave?
It remains constant.
It doubles.
It quadruples.
It is reduced by a factor of 2.
It is reduced by a factor of 4.
A popular radio station in Baton Rouge is Eagle 98.3 FM (i.e. it operates at 98.3 MHz). If you drive your car toward the radio station, which of the following is true?
The frequency you observe is equal to 98.3 MHz.
The frequency you observe is less than 98.3 MHz.
The frequency you observe is more than 98.3 MHz.
Unpolarized light with an intensity Io passes thru a polarizer whose transmission axis is oriented vertically. This light then passes thru a second polarizer whose transmission axis is orientated at 60o to the vertical. What is the intensity of the light leaving the second polarizer?
0
Io
Io/2
Io/4
Io/8
