Multiple Choice
Suppose you electrically charge a comb by running it through your hair. If you then shake this comb back and forth one time every second, you will create
A) an electromagnetic field that vibrates at a frequency of 1 Hz, but no electromagnetic wave is created.
B) a sound wave having a wavelength of 300,000 km and a speed of 300,000 km/s.
C) a sound wave having a frequency of 1 Hz and a speed of 300,000 km/s.
D) the tooth fairy.
E) an electromagnetic wave having a frequency of 1 Hz and a speed of 300,000 km/s.
Correct Answer:
Verified
Correct Answer:
Verified
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