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Light is a type of electromagnetic radiation that can be detected by the eye. It travels as a transverse wave. Unlike a sound waves, light waves do not need a medium to pass through, they can ...
- Radio
- Microwaves
- Infrared
- Visible Light
- Ultraviolet
- X-Ray
- Gamma Ray
Radio waves have the longest wavelengths in the electromagnetic spectrum. Radio wavelengths can be as long as a soccer pitch, or as long as the diameter of our planet! Radio waves have allowed us to communicate via radio, satellites, cell phones, television, and more, for several decades. Yet, despite their significance, radio waves are invisible t...
Though technically microwaves are a band or portion of the higher frequency side of the radio spectrum, they’re used in different technologies than radio waves. Microwaves have much shorter wavelengths than radio waves, and they can be used to penetrate through rain, snow, clouds, smoke, and more. In wireless communications, they are used for Bluet...
You’ve probably seen infrared light used in night vision cameras. These cameras typically use near-infrared, “near” meaning the frequency is close to the visible spectrum, which is visible to our eyes. Some cameras use thermal imaging, which is infrared at longer wavelengths. In this light, objects which are warmer appear red, or even white, while ...
Visible light refers to the band of the electromagnetic spectrum that’s visible to our eyes. The light waves in the visible spectrum can be broken down into 6 colors. The Visible Light Spectrum At 700 nanometers, red light has the longest wavelengths of all of the visible spectrum, while the wavelengths in violet measure around 400 nanometers. The ...
You may have heard about the harmful effects of ultraviolet from the sun. In fact, we wear sunscreen to protect our skin, and sunglasses to protect our eyes from burning, because of the dangers of this invisible light wave. But did you know that ultraviolet is also responsible for promoting vitamin D production in most living things? Most people do...
Most of us probably first came across the word “x-ray” when we learned our alphabet. But x-rays are used for more than just radiography. X-ray light waves are used in radiotherapy, astronomy, and security. Because x-ray wavelengths are short and high frequency, they are highly penetrating. This makes x-rays incredibly effective for seeing places we...
Gamma rays have the shortest wavelengths, as well as the highest frequency in the electromagnetic spectrum. They have the most energy out of all the light waves, and are usually produced by extremely hot and violent objects and events in our universe. For example, supernova explosions, nuclear explosions, and lightning all create gamma rays. But ga...
Sep 5, 2024 · Here are some examples of different types of waves: Sound Waves – These are mechanical waves that travel through air, water, and solids, allowing us to hear sounds. Light Waves – A type of electromagnetic wave that is visible to the human eye. Radio Waves – Used for communication, such as broadcasting and mobile phone signals.
Dec 7, 2022 · Light has the properties of waves. Like ocean waves, light waves have crests and troughs. The distance between one crest and the next, which is the same as the distance between one trough and the next, is called the wavelength. The frequency of a wave is the number of crests (or troughs) that pass a point in one second.
May 20, 2023 · What are the 7 types of light? George Jackson. Published: May 20, 2023. Sharing is Caring. The electromagnetic spectrum includes the different forms of light waves arranged in terms of varying wavelength and frequency. These are radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
Nov 21, 2023 · Light waves have a wavelength, frequency, and speed. Wavelength is the distance between two identical parts of a wave, such as from crest to crest or trough to trough. Frequency is the number of ...
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May 24, 2024 · The wave equation included physical constants from both electricity and magnetism, and extracting the wave speed from this equation resulted in a number Maxwell was already familiar with – the speed of light. It is traditional to denote this speed with a lower-case 'c': c = 3.0 ×108m s (2.1.1) (2.1.1) c = 3.0 × 10 8 m s.
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