ابن سہل (ریٲضی دان)

ابن سہل (مکمل نام: Abū Sa 'd al-ʻAlâʼ ibn Sahal ʻAbou ād al-Âalāʼ bne Şahl Şahal Ş۔ ۹۴۰-۱۰۰۰ ′ اوس اَکھ فارسی ریٲضی دان تہٕ اِسلٲمی سنہری دورُک طبیعیات دان یم سُنٛد تعلق بغداد کہ بوید دربارس سٟتؠ اوس۔^[1]^[2]^[3]^[4]^[5] أمؠ سٕنٛد ناوس پیٚٹھ چھُنہٕ کینٛہہ تہِ خاص بس چھُ أمؠ سٕنٛدؠ ملکٕچ جھلک ہاونک اجازت دوان۔^[6]

بییہٚ وُچھو[اؠڈِٹ]

ابن سینا

حَوالہٕ جات[اؠڈِٹ]

↑ Enterprise of Science in Islam: New Perspectives - J۔ P۔ Hogendijk, A۔ I۔ Sabra "The first clear evidence we have of a correct understanding of Ptolemy's theory of refraction does not appear in the Arabic sources available to us until the second half of the tenth century, when the Persian mathematician al-Ala ibn Sahl was able to put Ptolemy's ideas to use in formulating entirely original geometrical arguments for the construction of burning instruments by means of refraction"
↑ http://www.iranicaonline.org/articles/optics,"There are a number of optical texts by authors with a Persian ethnicity or association۔ The earliest is Abu Saʿd al-ʿAlāʾ Ebn Sahl at the Persian Buyid court (945–1055), better known for his early conception of the “sine law of refraction” and burning mirrors (Rashed, 1990, pp۔ 464-68; 1993; 2005) than his work on optics proper (Sabra, 1989, pp۔ lix-lx; 1994)."
↑ https://ijhpm.org/index.php/IJHPM/article/download/111/62,"Exploiting^{[مۄردٕ جوڈ]} آرکایو کۆرمُت 2019-11-16 بذریعہ ویے بیک مَشیٖن the 10th-century Persian mathematician Ibn Sahl’s development on Ptolemy’s studies of refraction,48 he generalized the relationship between incident and refracted rays in a form that presaged Snell’s law."
↑ https://www.sciencelearn.org.nz/resources/1867-light-ideas-and-technology-timeline,"Persian scientist Ibn Sahl writes On burning mirrors and lenses, which sets out his understanding of how curved mirrors and lenses bend and focus light۔ He discovers a law of refraction mathematically equivalent to Snell’s law (1615)."
↑ Hogendijk، edited by Jan P.؛ Sabra، Abdelhamid I. (2003). The enterprise of science in Islam : new perspectives. Cambridge, Mass.; London: MIT. ص. 89. ISBN 0-262-19482-1.CS1 maint: extra text: authors list (link)
↑ "Nothing in his surname and given names, however, allows us to glimpse either his country of origin or his social and religious allegiance — unless a link may be established with another Ibn Sahl of the same period, who was an astrologer concerned with mathematics; for the time being, however, this connection has no historical value." Roshdi Rashed, Geometry and Dioptrics in Classical Islam, London (2005), p۔ 3.

[1] Enterprise of Science in Islam: New Perspectives - J۔ P۔ Hogendijk, A۔ I۔ Sabra "The first clear evidence we have of a correct understanding of Ptolemy's theory of refraction does not appear in the Arabic sources available to us until the second half of the tenth century, when the Persian mathematician al-Ala ibn Sahl was able to put Ptolemy's ideas to use in formulating entirely original geometrical arguments for the construction of burning instruments by means of refraction"

[2] ttp://www.iranicaonline.org/articles/optics,"There are a number of optical texts by authors with a Persian ethnicity or association۔ The earliest is Abu Saʿd al-ʿAlāʾ Ebn Sahl at the Persian Buyid court (945–1055), better known for his early conception of the “sine law of refraction” and burning mirrors (Rashed, 1990, pp۔ 464-68; 1993; 2005) than his work on optics proper (Sabra, 1989, pp۔ lix-lx; 1994)."

[3] ttps://ijhpm.org/index.php/IJHPM/article/download/111/62,"Exploiting^{[مۄردٕ جوڈ]} آرکایو کۆرمُت 2019-11-16 بذریعہ ویے بیک مَشیٖن the 10th-century Persian mathematician Ibn Sahl’s development on Ptolemy’s studies of refraction,48 he generalized the relationship between incident and refracted rays in a form that presaged Snell’s law."

[4] ttps://www.sciencelearn.org.nz/resources/1867-light-ideas-and-technology-timeline,"Persian scientist Ibn Sahl writes On burning mirrors and lenses, which sets out his understanding of how curved mirrors and lenses bend and focus light۔ He discovers a law of refraction mathematically equivalent to Snell’s law (1615)."

[5] Hogendijk، edited by Jan P.؛ Sabra، Abdelhamid I. (2003). The enterprise of science in Islam : new perspectives. Cambridge, Mass.; London: MIT. ص. 89. ISBN 0-262-19482-1.CS1 maint: extra text: authors list (link)

[6] "Nothing in his surname and given names, however, allows us to glimpse either his country of origin or his social and religious allegiance — unless a link may be established with another Ibn Sahl of the same period, who was an astrologer concerned with mathematics; for the time being, however, this connection has no historical value." Roshdi Rashed, Geometry and Dioptrics in Classical Islam, London (2005), p۔ 3.

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