When an atom jumps from one energy level to a higher one, it is said that it is in an excited state.

You are watching: The specific pattern of colors emitted by excited atoms is called a

As the normal behavior is to be at a ground energy level (unexcited state), the atom tries to return to this state as soon as possible.

When doing this, it emits a photon of a distinct wavelength, which depends on the transition type.

As there are only some allowed transitions possible, the possible wavelengths are a discrete set too.

So, when projected on a photosensitive screen, the different colors form a set of discrete lines, so this specific pattern of colors is called a line spectrum.

See more: What Characteristic Is Shared By Most Simple Polyatomic Ions?


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Two HVAC/R technicians are discussing the soldering of copper pipes. Technician A says that when soldering, it"s important to ap
murzikaleks <220>

les-grizzlys-catalans.org:

B is correct

Explanation:


5 0
9 months ago

In an intermittent weld, what is the distance between the end of one weld and the beginning of the next, if the length and pitch
zlopas <31>

les-grizzlys-catalans.org:

jjwjwvenfifgbsieeeww wet


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7 months ago

Euler’s buckling formula can be expressed as Pcr = π2EI(KL)2 where Pcr is the critical buckling load, E is the column’s Young’s
Eddi Din <679>

les-grizzlys-catalans.org:

Both end hinge-Pcr= 0.98 MN

Both end fix-Pcr=3.9 MN

Explanation:

E= 200 GPa

L=2 m

b=7 cm =70 mm

The critical load given as

*

For square section

*

*

Lets take column is hinge at the both ends :

Now by putting all the values

*

L"= L

*

Pcr=987371.6 N

Pcr= 0.98 MN

Therefore critical load = 0.98 MN

When both end fixed :

*

L" = 0.5 L

*

Pcr=3.9 MN

Therefore critical load = 3.9 MN


3 0
6 months ago

ASAP PLEASEEEE HELP : Eccentricity, Inclination, True anomaly, Argument of perigee, Right ascension or the ascending node, Semi-
natita <175>

les-grizzlys-catalans.org:

d

Explanation:

Eternity because it could be culprited by the True Anomaly and the Argument of perigee


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6 months ago

The development team recently moved a new application into production for the accounting department. After this occurred, the Ch
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les-grizzlys-catalans.org: (A) Security regression testing

Explanation:

The security regression testing is used to prevent the re-occurring process. The regression testing is the type of the testing that intends to affirm that a program or code or application changes has not influenced existing highlights and it keeps up the agenda.

The agenda ought to be similarly identified with necessity that was concluded. By checking this both then relapse testing occurs and this won"t reoccurred from next time.

The regression testing improvements groups must ensure that changes, updates and new discharges don"t presents imperfections and vulnerabilities that could be misused by the people.


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