4 (5 pts) Choose your favorite AM station. your favorite FM station, and your fa

Question

4 (5 pts) Choose your favorite AM station. your favorite FM station, and your favorite microwave oven (look at the microwave? s information label for its output frequency ? if not listed. use 23 0Hz). In the table below . write down the frequency for each EM wave . cacu1ate the wavelength for each EM wave (in vacuum) . give the name of the region of the EM spectrum (of the 7 main regions) that contains eacii wavelength. (If you need a reminder, a rough diagram of the EM spectrum appears on p. 764 of Young.) You do NOT need to show your work. Be sure to include units and si.figs. on ALL values.

Explanation / Answer

AM station

frequency= 900 KHz

wavelength=c/f=333 m

Spetrum region:radio waves (MF)

FM station

Freqeuncy=90 MHz

Wavelength: 3.3 m

Spectrum region: radio waves (VHF)

Microwave oven:2.5 GHz

wavelength=0.12 m

Spectrum region: radio waves (SHF, microwaves)

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