INVENTIONS & DISCOVERIES - 15 Mints Seminar Notes

INVENTIONS & DISCOVERIES - 15 Mints Seminar Notes

BCE – 4000   : Wheel, Asia

BCE – 4000 to 3500   :  Weighing instruments & Potters Wheel

Year	Issac Newton, England
1666	Nature of white light is compound
1667	Gravity
1687	Law of motion 1st 2nd 3rd law of motion Rocket propulsion : Rocket propulsion working principle based upon Newton’s 2nd and 3rd law of motion
1688	Reflecting telescope

 

Year	Albert Einstein, Germany
1905	Relativity - சார்பியல்
1905	Photoelectric effect – ஓளிமின்விளைவு
1915	General Relativity

 

Year	Galileo Galilei, Italy    ( law of inertia )
1593	Thermometer
1604	How objects fall

 

Year	Evangelista Toricelli, Italy
1643	Mercury Barometer
1643	Air pressure

Year	Michael Faraday, England
1831	Transformer, Dynamo and Electric motor (Most important to produce electricity )
1831	Electromagnetism ( law of Electromagnetic induction) In this principle generator is working.
1831	Law of electrolysis

Year	Sir.C.V.Raman, 🇮ndia
1930	Scattering of light ( Raman Effect ) கடல்ஏன்நீலநிறத்தில்காணப்படுகிறது? 1stnobel price of science in India. He submitted his project scattering of light in Feb 28. We celebrated February 28 as National Science Day.

Year	Benjamin Franklin, USA
1752	Lightning conductor , Nature of lightning

 

Year	Thomas Edison, USA
1877	Phonograph
1878	Electric Bulb
1891	Moving pictures

 

Dynamite	Alfred Nobel, Sweden
	By his memorable,  Nobel price were given from the year 1901 (Sweden,Norway,Stockholm)
Nobel prize	US – 400 India – 12 China - 8

 Atomic Industrial Organisation

 Heavy water board ( HWB ) – Mumbai

Nuclear fuel Complex ( NBC) –Hyderabad

Board of Radiation & Isotope Technology – Mumbai

 Atomic Public Sectors

NPCIL ( NUCLEAR POWER CORPORATION INDIA LIMITED ) – Mumbai

UCIL ( URANIUM CORPORATION INDIA LIMITED )  - JHARKHAND – 1951

Highest uranium availability in India : Tumbalpalle , Andhra pradesh.

It was found in 2011

It has 1,50,000 tones of uranium

It is one of the top 20 uranium reservoir in the world.

IRE ( INDIAN RARE EARTH LTD ) –Mumbai

ECIL ( ELECTRONIC CORPORATION INDIA LIMITED ) – Hyderabad.

 

 

Presented By,

Gangadharan

Tnpsc Student 

Magme School Of Banking