Langbahn Team – Weltmeisterschaft

File:Helium discharge tube.jpg

Original file (3,008 × 2,008 pixels, file size: 1.29 MB, MIME type: image/jpeg)

Summary

Description
English: Spectrum = gas discharge tube: the noble gas: helium He. Used with 1,8kV, 18mA, 35kHz. ≈8" length.
Deutsch: Spektralröhre = Gasentladungsröhre des Edelgases: Helium He. Betrieb mit: 1,8kV, 18mA, 35kHz. Länge ≈20cm.
Română: Spectru la descărcarea în gaze pentru gazul nobil heliu He. Condiţii: 1,8kV, 18mA, 35kHz. Lungime ≈0,2m.
Date
Source Own work
Author Alchemist-hp (talk) (www.pse-mendelejew.de)
Other versions
Neon
Argon
Krypton
Xenon
all stable noble gases

This photo was taken by Alchemist-hp. If you use one of my photos, an email (account needed) or a or direct to: my email account would be greatly appreciated.
Please note the license terms. Other licensing terms can get discussed, too.

Assessment

Quality image
Quality image

Wikimedia CommonsWikipedia

This is a quality image and is considered to meet the quality image guidelines.
 This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here.
 This is a featured picture on the Persian language Wikipedia (نگاره‌های برگزیده) and is considered one of the finest images. See its nomination here.

If you think this file should be featured on Wikimedia Commons as well, feel free to nominate it.
If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.

Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. 1.2 only

Please select "one" of your favorite license.

Creative Commons License

This file is licensed under the Creative Commons ‘Attribution-NonCommercial-NonDerivative 3.0 (US)’
Licence: https://creativecommons.org/licenses/by-nc-nd/3.0/

Captions

Gas discharge spectrum for helium

Items portrayed in this file

depicts

helium

copyright status

copyrighted

copyright license

GNU Free Documentation License, version 1.2

Commons quality assessment

Wikimedia Commons quality image

inception

6 October 2006

captured with

Pentax *ist D

source of file

original creation by uploader

exposure time

0.02222222222222222222 second

f-number

4.5

focal length

34 millimetre

ISO speed

800

media type

image/jpeg

instance of

photograph

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current22:42, 31 March 2010Thumbnail for version as of 22:42, 31 March 20103,008 × 2,008 (1.29 MB)Alchemist-hpReverted to version as of 21:16, 28 February 2010, bad and unimportant crop
06:34, 31 March 2010Thumbnail for version as of 06:34, 31 March 20102,604 × 1,347 (147 KB)Materialscientistcrop, compression
21:16, 28 February 2010Thumbnail for version as of 21:16, 28 February 20103,008 × 2,008 (1.29 MB)Alchemist-hp== {{int:filedesc}} == {{Information |Description={{en|1=Spectrum = gas discarge tube: the noble gas: helium He. Used with 1,8kV, 18mA, 35kHz. ≈8" length.}} {{de|1=Spektralröhre = [[:de:Gasentlad

Global file usage

The following other wikis use this file:

View more global usage of this file.

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Quelle: https://en.wikipedia.org/wiki/File:Helium_discharge_tube.jpg