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HERE IS Q :2


1- AL-biruni( 973- 1048 A.D)


HE WAS BORN KHAWARZIM. HE WAS MATHEMATICAIN, ASTRONOMER. GEOGRAPHER.PHYSICIAN AND HISTORIAN HE EXPLAINED THE ADVANCED TRIGONOMETRY. HE DISCOVERED THAT LIGHT TRAVELS FASTER THAN SOUND. HE GAVE AN UNDERSTANDING OFTHE TERM LONGITUDES AND LATITUDES. HIS BOOKS R:

1.TAHQIQ AL HIND
2.QANUN AL MASUDI
3.ASRAR AL BAQIYA
4.KITAB AL SAIDANA and
5.al tafhim


2- ibn al haitham( 975-1038 A.D)

HE WAS BETTER KNOW AS THE "ALHAZAN" IN THE WEST. HE WAS BORN IN BASRA. HE WAS MATHEMATICIAN , PHYSIOLOGIST AND OPTICIAN. HE DISCOVERED MAGNIFYING LENSES AND THE FUNCTION OF RETINA AS THE SEAT OF VISION. HE ALSO IDENTIFIED THE GRAVITY AS THE FORCE ,WHICH LATER DEVELPOED BY NEWTON AS THEORY. HIS FAMOUS BOOLS R:

1. KITAB AL MANAZIR
2.ON TWILIGHT PHENOMENA
3. MIZAN UL HIKMA and
4. CONFIGURATION OF THE UNIVERSE.



RIZ