0
What kind of electromagnetic radiation causes certain substances to fluoresce?
Wiki User
∙ 8y ago
Ultraviolet waves of certain wavelengths kill bacteria, tan your skin, and produce the effect known as fluorescence. pg 52 of your text
Examples: ultraviolet radiation, visible light.
Wiki User
∙ 8y ago
Add your answer:
Earn +20 pts
How do scientist use the electromagnet spectrum to determine the temperature of a star?
Anything with heat emits electromagnetic radiation, even if it is only in the infrared (IR) wavelengths. As matter gets hotter, it tends to change color. For example, if you've ever seen glowing metal at a steel mill or in a blacksmith shop (like on a movie) you notice hot metal glows red, hotter metal glows yellow, and even hotter metal glows white. If you apply this concept to stars, you can start to see that by measuring the color, you are also measuring the temperature - how? because a star at a certain temperature glows a certain color. Reds are the "cooler" stars (still very hot) and blues are the hottest stars - at least when we are talking visible spectrum.
What are two pieces of evidence of the big bang and that the universe is expanding?
1) Red shift seen in all distant galaxies, whose size is propotional to the galaxy's distance from us. 2) Existence, isotropy, and spectrum of the cosmic microwave background radiation.
Current carring conductor?
All metals, liquid salt solutions, molten salts, and other certain substances are generally considered good electrical conductors. The best naturally occurring conductor is silver metal, although the next best thing is copper, since it's much cheaper and more widely available. If you have access to extreme cryogenic cooling mediums like liquid helium or liquid nitrogen, you can cause certain metals and compounds to become superconductive; i,e. perfect conductors.
What is the average frequency of a microwave?
"Microwave" radiation is any radio wave at frequencies between 3 GHz and 300 GHz. Microwave cooking ovens are licensed to operate at a certain definite frequency, just like any other radio transmitter is. For microwave ovens in the US, the frequency is 2.450 GHz.
When was Certain Fury created?
Certain Fury was created on 1985-03-01.
Electromagnetic radiation causes certain substanced to fluoresce?
Yes. UV radiation causes phosphor to fluoresce in fluorescent light bulbs.
Which one of the following types of electromagnetic radiation causes certain substances to fluoresce a ultraviolet rays b infrared waves c x rays d cosmic rays?
x rays - Dondi follow me on instagram @ idmorgann
What does fluorecent mean?
It generally means "glowing" - certain elements "fluoresce" (give off a visible light) when hit by electromagnetic radiation, even when the radiation itself is invisible (e.g. UV light). An example is in fluorescent lighting tubes where mercury vapor is electrified to cause a phosphor coating to fluoresce. A slower process called phosphorescence occurs where glow-in-the-dark stickers absorb light and radiate it back slowly as a greenish glow.
Which one of the following types of electromagnetic radiation causes certain substances to fluoresce ultraviolet rays infrared waves x rays or cosmic rays?
Exposure to radiation in the ultraviolet region is the most common way of causing fluorescence, but not the only way. Exposure to enough radiation for one electron to absorb two photons can cause fluorescence.
Exposing certain substances to radiation is known as?
irradiation
How does the earth's atmosphere protect living organism from certain types of electromagnetic radiation?
be far from those radiation
Where can you find radioactive symbol?
in certain types of radioactive decay processes. it is not electromagnetic radiation.
Which one of the following types of electromagnetic radiation causes certain substance to floursce?
Each of the following can do that:
Why are the color blue and the number 12 not considered matter?
The colour blue is a name we give to a certain wavelength of electromagnetic radiation that our eyes are sensitive to. Electromagnetic radiation is not matter. The number 12 is an Idea. Ideas are not matter.
How does frequency vary different forms of electromagnetic radiation?
We call light electromagnetic radiation with certain frequencies; higher frequencies and we call it Ultra violet, X-rays and gamma radiation. Frequencies lower than light we call infra red, and radio.
Definition of fluorescence?
The visible or invisible radiation emitted by certain substances as a result of incident radiation of a shorter wavelength such as X-rays or ultraviolet light.
What is meant when they say florescents have been observed when drilling for oil?
Light waves shorter than the visible blue violet waves of the spectrum. crude oil, colored distillates, residuum, a few drilling fluid additives, and certain minerals and chemicals fluoresce in the presence of ultraviolet light. these substances, when present in mud, may cause the mud to fluoresce.
