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Why do excited atombs absorb and reemit radiation at characteristic frequencies?
Excited atoms absorb and reemit radiation at characteristic frequencies because the electrons in the atom can only occupy specific energy levels. When an atom absorbs energy and its electrons are excited to higher energy levels, they will subsequently drop back to their original energy levels by emitting photons with specific frequencies that are unique to that atom. This results in the emission of radiation at characteristic frequencies.
What is the common name for infrared radiation?
Infrared radiation, infrared, heat radiation.
Cosmic radiation and radiation from terrestrial sources are examples of?
Natural background radiation
What is The definition of secondary radiation is .?
Secondary radiation refers to the radiation that is produced when primary radiation interacts with matter, leading to the emission of additional radiation. This secondary radiation can have different properties and energies compared to the original primary radiation.
What are the 2 names of radiation?
There are two main types of radiation: External Radiation External radiation is the most common type of radiation, typically given after lumpectomy and sometimes, mastectomy. Internal Radiation Internal radiation is a less common method of giving radiation. It is being studied for use after lumpectomy.
How do radiation level drop?
Exponentially. If A is the activity of a source: A = Aoe^- λt
How long will it take for the radiation level of strontium to drop to one-sixteenth of its original level?
The time it takes for the radiation level of strontium to drop to one-sixteenth of its original level can be determined using its half-life. For strontium-90, which has a half-life of about 29 years, it would take four half-lives for the radiation to decrease to one-sixteenth (since (1/2^4 = 1/16)). Therefore, it would take approximately 116 years for the radiation level of strontium-90 to drop to one-sixteenth of its original level.
How long will it take for the radiation level of Strontium 85 to drop to one-fourth of its original level?
128 days
How long does the lethal radiation from a nuclear bomb take to die?
That depends on the initial amount and type. It also depends on altitude (or depth) of burst. If you know the isotopes involved you can look up their half lives, measure current radiation intensity, and calculate time until radiation will drop to desired level. You can also periodically measure radiation intensity over a period of time, then extrapolate to get a reasonable estimate of time to drop to desired level without knowing isotopes.
How long will it take for the radiation level of strontium-85 to drop to one - thirty second of its original level?
320 d
What is the usual cause of the drop in temperature that occurs between sunset and sunrise at most New York State location?
Ground radiation
What is the usual cause of the drop in temperature that occurs between sunset and sunrise at most New York State locations?
Ground radiation
Why does the temperature drop at night and get hotter in the morning?
The sun sends radiation from the sky to the ground to make the temperature rise, but when the sun sets the moon comes out and it doesn't have enough heat and light to send down as much radiation.
Use the drop down menus to place the phases of Acute Radiation Syndrome in order?
Manifest:3 Latent:2 Prodromal:1
The drop of an electron from a high energy level to the ground state in a hydrogen atom would be most likely associated with?
high frequency radiation
Does the temperature rise or drop in the stratosphere?
The temperature typically rises in the stratosphere because of the absorption of ultraviolet solar radiation by ozone molecules. This absorption leads to the heating of the stratosphere, creating a temperature inversion where it gets warmer with altitude.
Are humans and life forms able to survive without solar radiation?
Humans do not need to expose themselves to solar radiation directly to survive. However, if there were no solar radiation at all, temperatures on Earth would quickly drop below freezing, and plants would not be able to grow. Humans would not live long under such conditions.
