The conflict between obedience to authority and personal conscience.
The portions of the electromagnetic spectrum are used in the television set. It is used in the picture tube in the old television set.
<h3>What is the electromagnetic spectrum ?</h3>
The electromagnetic radiation distribution in accordance with the frequency or wavelength is known as the electromagnetic spectrum.
The portions of the electromagnetic spectrum are used in the television set. It is used in the picture tube in the old television set.
Hence, option b is correct.
To learn more about the electromagnetic spectrum, refer to the link;
brainly.com/question/15576247
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Total distance/total time is average speed. Total distance is 480miles. Total time is 5 hrs. 480/5=90mph