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Q: Why are the lines from a hollow cathode lamp generally narrower than the lines emited by atoms in a flame?
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Describe how an hollow cathode lamp work?

The typical hollow cathode lamp consists mainly of a cathode containing the element of interest, an anode, and an inert gas. After application of a potential difference between the cathode and the anode, the gas will accelerate toward the cathode removing its material; a process called sputtering. The element of interest is now in the excited state, and upon its return to the initial non-excited state, it would emit light waves of specific wavelength, that can be studied later.


What did jj thomsons expiremnt do?

J.J Thomson's made a A cathode ray tube. This is a tube that is hollow and is sealed.


How many different hollow points are there?

Every manufacturer has their own special designs, but generally there are jacketed hollow points and unjacketted hollow points.


Are styrofoam balls hollow?

It depends. Generally, sizes up to 120mm are solid, and those from 140mm up are hollow.


What is the process of electrorefining?

In an electro-refining system the deposited metal is collected without the need to remove the cathode from the slurry bath. The cathode has a hollow cavity permitting steam or hot water to be introduced to heat the cathode. During the deposition process, the heating of the cathode encourages the deposition process. When the deposited material is to be collected, the cathode is heated to "melt" the bonds between the cathode and the deposited metal. Using a bracket which was installed before the deposition process and into which the deposited metal has been formed; the now-released sheet of deposited metal is easily removed.


What has the author Gary Joel DeJong written?

Gary Joel DeJong has written: 'High intensity pulsed hollow cathode lamps' -- subject- s -: Absorption spectra


What are the limitations of atomic absorption spectrometry?

Atomic absorption spectrometry can only be used for metallic elements. Each element needs a different hollow cathode lamp for its determination.


What has the author Jason A Vaughn written?

Jason A. Vaughn has written: 'Characterization of hollow cathode, ring cusp discharge chambers' -- subject(s): Plasma dynamics, Electric discharges


What is the sentence for having a hollow tip bullet?

Hollow points are generally not illegal. New Jersey probably has the most strict laws regarding hollow points. Outside of New Jersey the are very legal and very popular.


What is the thickness of a front-door supposed to be- hollow-solid?

Wood doors are generally 1 3/4" solid for exterior doors. Metal exterior doors are hollow.


What is a hollow body guitar?

A hollow body guitar is a guitar with a hollow body in contrast to solid body guitars. They are generally lighter that solid body guitars because its body mass is reduced as a result of the addition of sound chambers.


Are ostrich's bones hollow?

Generally yes, except perhaps for the leg bones which are thicker and stronger.