What characteristic of radio waves makes them unique in the electromagnetic spectrum?
GCSE Physics - Radio Waves #65

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Physics
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9th - 10th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They have the longest wavelength.
They have the shortest wavelength.
They have the highest frequency.
They are visible to the human eye.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the frequency of a radio wave determined?
By the temperature of the transmitter.
By the distance it travels.
By the frequency of the alternating current used.
By the speed of light.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of long wave radio waves?
They can be transmitted over huge distances without interaction.
They can travel directly through obstacles.
They are used for TV and FM radio.
They can be used for Bluetooth communication.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do shortwave radio signals travel long distances?
By curving around the Earth's surface.
By being absorbed by the Earth's core.
By reflecting off the ionosphere.
By traveling through water.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you experience poor radio signal in a car?
Because very short radio waves require direct transmission.
Due to interference from other electronic devices.
Due to the car's metal body blocking the signal.
Because of the car's speed.
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