The main difference between a radio wave and a light wave is its
A) speed.
B) wavelength.
C) frequency.
D) all of the above
E) two of these
Correct Answer:
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Q5: Diffraction is more pronounced through relatively
A)small openings.
B)large
Q11: The color of an opaque object is
Q12: When the frequency of light matches the
Q37: What is the frequency of an electromagnetic
Q38: The complementary color of blue is
A)red.
B)green.
C)yellow.
D)cyan.
E)magenta.
Q60: Materials generally become warmer when light is
A)absorbed
Q75: When you tune a radio to a
Q76: If the Sun were to disappear right
Q77: Sound waves can interfere with one another
Q78: What is the wavelength of an electromagnetic
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