What did Andres Celsius discover?
How objects fall
Centigrade temperature scale
Sun centred solar system
How things float
Which one of the following is discovered by Claudius Ptolemy?
Radium
Wave nature of light
Moons of Jupiter
Earth centred universe
Who invented sewing machine?
Enrico Fermi
Samuel Colt
Valdemar Paulsen
J. Walter Hunt
Inventor of motorcycle.
James Watt
Roger Bacon
Walter Hunt
Gottlib Daimler
Who among the following invented the tape recorder?
Karl Benz
John Logie Baird
Which one of the following was invented by Enrico Fermi?
Aeroplane
Computer
Nuclear reactor
Gramaphone
Who invented gravity?
Gabriel Fahrenheit
Anders Celsius
Isaac Newton
Claudius Ptolemy
What did Archimedes discover?
Gravity
Atomic theory
Who invented revolver?
What did John Dunlop invent?
Phonograph
Revolver
Pneumatic tyre
