Q: 7
ABUL RAYHAN MUHAMMAD AL BERUNI
(973-1048)
a) BIOGRAPHY
 Was born near the town of Khawarzimi

b) WORKING FIELD
 Mathematics
 Physics
 Geography
 History

c) CONTRIBUTIONS
 He explained the problems of advanced trigonometry.
 He discovered that light travels faster than sound.
 He accurately determined the weight of 18 stones in physics.
 He gave the term longitude and latitude.
 He was learned Sanskiriti language in order to investigate Indo-Pak knowledge.

d) HIS FAMOUS BOOKS
 Tahqiq Al Hind
 Kitab Al Jawahar
 Al Tafhim
 Asrar Al Baqiya
 Kitab Al Saidana
 Qamun Al Masudi