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  2. Civil Services Examination - Wikipedia

    en.wikipedia.org/wiki/Civil_Services_Examination

    This is an accepted version of this page This is the latest accepted revision, reviewed on 16 December 2024. Civil services examination in India This article is about the examination in India. For civil service examinations in general, see civil service entrance examination. This article may need to be rewritten to comply with Wikipedia's quality standards. You can help. The talk page may ...

  3. File:Spectrum.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Spectrum.pdf

    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.

  4. Union Public Service Commission - Wikipedia

    en.wikipedia.org/wiki/Union_Public_Service...

    The Union Public Service Commission (UPSC; ISO: Saṁgha Loka Sevā Āyoga) is a constitutional body tasked with recruiting officers for All India Services and the Central Civil Services (Group A and B) through various standardized examinations. [1] In 2023, 1.3 million applicants competed for just 1,255 positions. [2]

  5. Spectrum (novel) - Wikipedia

    en.wikipedia.org/wiki/Spectrum_(novel)

    Spectrum is a science fiction novel by Russian writer Sergei Lukyanenko, taking place in the near future. Contact with aliens allowed humanity to travel between planets through portals. Contact with aliens allowed humanity to travel between planets through portals.

  6. File:Electromagnetic spectrum diagram.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Electromagnetic...

    Date/Time Thumbnail Dimensions User Comment; current: 02:32, 26 April 2013: 1,239 × 1,754 (39 KB): Hobbitjm86 {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Figure 1-4 Electromagnetic spectrum diagram from The Army Institute for Professional Development, Principles of Radio Wave Propagation.

  7. How major US stock indexes fared Thursday, 12/26/2024 - AOL

    www.aol.com/major-us-stock-indexes-fared...

    Stock indexes drifted to a mixed finish on Wall Street as some heavyweight technology and communications sector stocks offset gains elsewhere in the market. The S&P 500 slipped less than 0.1% ...

  8. History of spectroscopy - Wikipedia

    en.wikipedia.org/wiki/History_of_spectroscopy

    They also used the non-relativistic Doppler shift equation on the spectrum of the star Sirius in 1868 to determine its axial speed. [34] [35] They were the first to take a spectrum of a planetary nebula when the Cat's Eye Nebula (NGC 6543) was analyzed. [36] [37] Using spectral techniques, they were able to distinguish nebulae from stars.

  9. Spectral energy distribution - Wikipedia

    en.wikipedia.org/wiki/Spectral_Energy_Distribution

    The SED of M51 (upper right) obtained by combining data at many different wavelengths, e.g. UV, visible, and infrared (left). A spectral energy distribution (SED) is a plot of energy versus frequency or wavelength of light (not to be confused with a 'spectrum' of flux density vs frequency or wavelength). [1]