radio waves
Radio waves occupy the long-wavelength end of the spectrum. This topic is part of Physics within Science & Nature. This page currently draws on 12 supporting questions, with answers and bonus facts available below.
radio waves trivia questions
Radio waves are part of what spectrum?
Answer: Electromagnetic spectrum
Bonus fact: They have long wavelengths compared with visible light.
Radio waves are widely used for what?
Answer: Communication
Bonus fact: Radio, television, phones, and radar use electromagnetic waves.
Compared with visible light, radio waves generally have what kind of wavelength?
Answer: Longer
Bonus fact: Radio waves occupy the long-wavelength end of the spectrum.
Which electromagnetic waves have the longest wavelengths?
Answer: Radio waves
Bonus fact: Radio waves occupy the long-wavelength end of the spectrum.
Radio broadcasting sends programs using what kind of waves?
Answer: Radio waves
Bonus fact: Electromagnetic radio waves carry signals over distance.
Radar distance is calculated mainly from the time it takes a signal to do what?
Answer: Travel to the target and back
Bonus fact: Radio waves travel near the speed of light.
What technology helps submarines detect objects using sound?
Answer: Sonar
Bonus fact: Sonar is effective underwater where radio waves penetrate poorly.
MRI stands for what?
Answer: Magnetic resonance imaging
Bonus fact: MRI uses strong magnetic fields and radio waves.
What is a photon?
Answer: A quantum of electromagnetic radiation
Bonus fact: Visible light, radio waves, X-rays, and gamma rays can all be described in terms of photons.
The electromagnetic spectrum includes visible light and what other type of waves?
Answer: Radio waves
Bonus fact: Radio, microwave, infrared, visible, ultraviolet, X-ray, and gamma radiation are electromagnetic.
Radar uses what kind of waves to detect objects?
Answer: Radio waves
Bonus fact: Radar sends radio signals and measures echoes.
Centaurus A is especially famous for being a strong source of what?
Answer: Radio waves
Bonus fact: Centaurus A contains a supermassive black hole and a prominent dust lane.