A property of electromagnetic waves that makes them different than other kinds of waves such as sound or water waves is that
A. they do not require a medium to propagate through.
B. they are transverse waves.
C. their speed can change when moving in different media.
D. they have many possible wavelengths.
Answer: A
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A. 640 µJ B. 320 µJ C. 50 nJ D. 60 nJ E. 30 pJ
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Indicate whether the statement is true or false
Larger batteries have higher output voltages
a. True b. False Indicate whether the statement is true or false