Science

Which gas is the cause of “Green house effect”?
Carbon dioxide

Who made the first atomic reactor?
Enrico Fermi

Who invented the bifocal lens?
Benjamin Franklin

Which instrument is used for measuring velocity and pressure of wind?
Anemometer

What is the use of an Electro Encephalograph?
To test the working of brain cells

Who invented adding machine?
Wihelm Schickard

Which is the unit of magnetic flux?
Weber

What is Venturi tube?
It is a device to measure flow of liquids and their pressure

Who invented photo electric effect?
Hertz

Who was the first chairman of Atomic Power Commission?
Homi J.Babha