Inventions and Discoveries
Who discovered natural radioactivity
Ans : Hentry Bequeral
Hydrogen was discovered by
Ans : Cavendish
Who invented Microprocessor
Ans : Ted Hoff
Name the scientist who proposed Doppler Effect
Ans : Christian Doppler
Who discovered Argon
Ans : Ramsay
Name the scientist who proposed pH value
Ans : Sorenson
Who discovered the Law of Gravitation
Ans : Sir Isaac Newton
Who discovered penicillin
Ans : Alexander Fleming
Who invented dynamite
Ans : Alfred Nobel
New Fund Offering by SBI MF – SBI Dividend Yield Fund 
Bharti Airtel’s 5G user-base expands 
GK TODAY -HISTORY AT A GLANCE
i want more questions and answers.these are not enough.
dis si very few….plz introduce more….
Please give these question in Hindi also
who is invented electric engine ?
more questions!!!