Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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T3B01 What is the
name for the distance a radio wave travels during one complete cycle? a. | Wave speed | c. | Wavelength | b. | Waveform | d. | Wave spread |
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2.
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T3B02 What property
of a radio wave is used to describe its polarization? a. | The orientation of the electric
field | c. | The ratio of the energy in the magnetic field to the
energy in the electric field | b. | The orientation of
the magnetic field | d. | The ratio of the velocity to the
wavelength |
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3.
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T3B03 What are the
two components of a radio wave? a. | AC and DC | c. | Electric and magnetic fields | b. | Voltage and current | d. | Ionizing and
non-ionizing radiation |
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4.
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T3B04 How
fast does a radio wave travel through free space? a. | At the speed of light | c. | Its speed is inversely proportional to its
wavelength | b. | At the speed of
sound | d. | Its speed increases as the frequency
increases |
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5.
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T3B05 How does the
wavelength of a radio wave relate to its frequency? a. | The wavelength gets longer as the frequency
increases | c. | There is no relationship between wavelength and
frequency | b. | The wavelength gets shorter as the frequency
increases | d. | The wavelength depends on the bandwidth of the
signal |
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6.
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T3B06 What is
the formula for converting frequency to approximate wavelength in meters? a. | Wavelength in meters equals frequency in hertz
multiplied by 300 | c. | Wavelength in meters equals frequency
in megahertz divided by 300 | b. | Wavelength in
meters equals frequency in hertz divided by 300 | d. | Wavelength in
meters equals 300 divided by frequency in megahertz |
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7.
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T3B07 What property of radio waves is often
used to identify the different frequency bands?
a. | The approximate wavelength | c. | The time it takes for waves to travel one mile | b. | The magnetic intensity of waves | d. | The voltage
standing wave ratio of waves |
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8.
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T3B08 What are the frequency limits of the VHF
spectrum?
a. | 30 to 300 kHz | c. | 300 to
3000 kHz | b. | 30 to 300 MHz | d. | 300 to 3000
MHz |
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9.
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T3B09 What are the frequency limits of the UHF
spectrum?
a. | 30 to 300 kHz | c. | 300 to
3000 kHz | b. | 30 to 300 MHz | d. | 300 to 3000
MHz |
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10.
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T3B10 What frequency range is referred to as
HF?
a. | 300 to 3000 MHz | c. | 3 to
30 MHz | b. | 30 to 300 MHz | d. | 300 to 3000
kHz |
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11.
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T3B11 What is the approximate velocity of a radio
wave as it travels through free space?
a. | 150.000 kilometers per second | c. | 300.000,000 miles per hour | b. | 300.000,000 meters per second | d. | 150,000 miles per
hour |
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