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For an introductory guide on IPA symbols, see Help:IPA. Urdu ( / ˈʊərduː /; اردو, [ʊɾduː] ⓘ; ALA-LC: Urdū) is an Indo-Aryan language spoken chiefly in South Asia. [10] [11] It is the national language and lingua franca of Pakistan, where it is also an official language alongside English. [12]
Native speakers of Urdu are spread across South Asia. The vast majority of them are Muslims of the Hindi–Urdu Belt of northern India, followed by the Deccani people of the Deccan plateau in south-central India (who speak Deccani Urdu), the Muhajir people of Pakistan, Muslims in the Terai of Nepal, and the Biharis and Dhakaiyas of Old Dhaka in Bangladesh.
The Urdu alphabet ( Urdu: اردو حروفِ تہجی, romanized : urdū ḥurūf-i tahajjī) is the right-to-left alphabet used for writing Urdu. It is a modification of the Persian alphabet, which itself is derived from the Arabic script. It has official status in the republics of Pakistan, India and South Africa.
2. How about an illustration to visually explain what it meant by the "prism dioptres" section? 3. Can prismatic lenses be included with bifocals, progressive lenses, polarizing, tinting, Crizol lenses, etc? 4. Hillary Rodham Clinton used prismatic lenses temporarily after her concussion, although her article doesn't mention that. What other ...
Persian and Urdu are distinct languages. Persian is classified as an Iranian language, whereas Urdu is an Indo-Aryan language. They fall under the larger grouping of the Indo-Iranian languages, and hence share some linguistic features due to common descent . However, the majority of influence from Persian is direct, through a process often ...
Dissociated vertical deviation. Dissociated vertical deviation ( DVD) is an eye condition which occurs in association with a squint, typically infantile esotropia. The exact cause is unknown, although it is logical to assume it is from faulty innervation of eye muscles.
Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. [1] Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Light is a type of electromagnetic radiation, and other forms of ...
Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.