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Why do scientist refer yo visible light when the are speaking about light?
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Does infared light have a higher frequency than visible light?
No. Infrared light has a lower frequency than visible light. Refer to the related link below for an illustration.
What is the portion of the electromagnetic spectrum visible to the human eye?
We refer to this portion as "visible light," which has wavelengths between 390 nm and 700 nm.
Why is it true to say that all EM radiation is light even though we can see only a small slice of the spectrum as visible light?
Visible light is a very small part of the EM spectrum and it is intellectual laziness to refer to all EM radiation as light.
Is visible light same as ultraviolet light?
No. Simple test: Can you see ultraviolet light ? No you cannot. Therefore it falls under the category of "not visible light".
What is exactly that travel in a light waves?
Light. Note that light is a special case of electromagnetic waves; but if it isn't visible light, you wouldn't call it a "light wave", just an "electromagnetic wave".
Different meaning of the homograph light?
"Light" can refer to the natural agent that stimulates sight and makes things visible, or to the opposite of heavy, such as a "light" dish.
What does the visible light spectrum refer to?
Visible light is part of what is called the electromagnetic spectrum. Light is electromagnetic energy, and so are radio waves, microwaves, X-rays and gamma rays.
When scientist refer to a light year?
A light-year is the distance traveled by light in one year. Note that light moves at a speed of about 300,000 km/second.A light-year is defined to have EXACTLY 9,460,730,472,580,800 meters (or approximately 9.5 quadrillion meters).
How do i use light as a noun?
Light can be used as a noun to refer to the natural agent that stimulates sight and makes things visible. For example, "The room was filled with bright light from the window."
What are the waves from the sun called?
The energy radiated from the sun is in the form of electromagnetic radiation or electromagnetic waves. The waves are noticed on Earth as visible light, as ultra-violet (light that is at a higher frequency than we can see) and infra-red (light that is at a lower frequency than we can see). Although the radiation is far more than just the range of visible light, we normally refer to the radiation as "sunlight"
Is white light reffered to as the visible spectrum?
It refer to as full band of spectrum with each part of wavelength at same magnitude. For human eye, white light may refer only to portion of Red (564 nm), Green (534 nm) and Blue (420 nm) at same magnitude.
Minimum number of bacteria to be visible?
Refer to the lab experiment to get answer.
