Physics Notes (Introduction) Chapter 1: X class

Q.1. Write a note about the history of Physics?

Ans: HISTORY OF PHYSICS: The history of Physics is as old as the history of man, even the cave man was aware of the production of fire by rubbing two stones together. The Chinese for the time manufacture paper. Egyptian used to measure the flood level in the river Nile. The people of Indus Valley were the pioneers of decimal system. The history of physics is about 5000 years old. History of Physics consists on three periods.

• INITIAL PERIOD: This period is called Greek Period which remained 9th century, the Greeks are accepted as pioneers in the development of Physics as a systematic knowledge. The name of famous scientists of this period are:
• Phythagoras
• Archimedese
• Euclid
• Ptolomy

• GOLDEN PERIOD: This period from 9th century to 13th century. This period is called Muslim period in which they rule as a scientist in whole world. Famous scientist's were:
• Jaber Bin Hayyan
• Muhammad Bin Moosa Khawarzmi
• Al-Razi
• Yaqoob Al-Kundi
• Al-Beruni
• Umer Khayyam
• Ibn-Al-Haitham

• MODERN PERIOD: This period is started from 13th century and still continued. This period was initiated after the declination of Muslims. The other name of this era is "European period". The famous scientist were:
• Albert Einstein
• Michal Faraday
• Sir Issac Newton
• Graham Bell
• Madam Marie Quire
• Dr. Abdul Salam
• Rutherford
• Moseley