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  2. Q-plate - Wikipedia

    en.wikipedia.org/wiki/Q-plate

    A q-plate is an optical device that can form a light beam with orbital angular momentum (OAM) from a beam with well-defined spin angular momentum (SAM). Q-plates are based on the SAM-OAM coupling that may occur in media that are both anisotropic and inhomogeneous , such as an inhomogeneous anisotropic birefringent waveplate .

  3. Tamil copper-plate inscriptions - Wikipedia

    en.wikipedia.org/wiki/Tamil_copper-plate...

    Tamil copper-plate inscriptions are copper-plate records of grants of villages, plots of cultivable lands or other privileges to private individuals or public institutions by the members of the various South Indian royal dynasties. [1] The study of these inscriptions has been especially important in reconstructing the history of Tamil Nadu. [2]

  4. Tamil Nadu Professional Courses Entrance Examination

    en.wikipedia.org/wiki/Tamil_Nadu_Professional...

    The first one was the wrong questions asked in the question paper which occurred two years in a row. The next one is the discarding of the TNPCEE marks for the admission for the academic year of 2005 by the Tamil Nadu Government. This was later reversed by the court and TNPCEE marks were taken into consideration.

  5. Tamil Nadu Public Service Commission - Wikipedia

    en.wikipedia.org/wiki/Tamil_Nadu_Public_Service...

    The Tamil Nadu Public Service Commission (TNPSC) is a government body of the state of Tamil Nadu, India, responsible for the recruitment of candidates for various state government jobs through competitive examinations. It is the successor of the Madras Service Commission, which came into being under an Act of the Madras Legislature in 1929 and ...

  6. Civil Services of Tamil Nadu - Wikipedia

    en.wikipedia.org/wiki/Civil_Services_of_Tamil_Nadu

    Direct Recruitment through a competitive examination called the "TNPSC Group 1 to 8 Exam", organized by the Tamil Nadu Public Service Commission (TNPSC). Recruitment by Transfer from exiting Service Employment by Agency

  7. Vehicle registration plates of India - Wikipedia

    en.wikipedia.org/wiki/Vehicle_registration...

    The number plates are mandatory on both front and rear of the vehicle and are required to be in modern Hindu-Arabic numerals with latin letters. [1] Complete specification of registration plates are specified under the HSRP: High Security Registration Plate rules. The international vehicle registration code for India is IND.

  8. Wallpaper group - Wikipedia

    en.wikipedia.org/wiki/Wallpaper_group

    A wallpaper group (or plane symmetry group or plane crystallographic group) is a mathematical classification of a two-dimensional repetitive pattern, based on the symmetries in the pattern. Such patterns occur frequently in architecture and decorative art , especially in textiles , tiles , and wallpaper .

  9. Transfer printing - Wikipedia

    en.wikipedia.org/wiki/Transfer_printing

    The process starts with an engraved metal printing plate similar to those used for making engravings or etchings on paper. The plate is used to print the pattern on tissue paper, using mixes of special pigments that stand up to firing as the "ink". The transfer is then put pigment-side down onto the piece of pottery, so that the sticky ink ...