What did Galileo Galilei discover?
How objects fall
How things float
Theory of relativity
Earth's magnetism
Which one of the following is discovered by Claudius Ptolemy?
Radium
Wave nature of light
Moons of Jupiter
Earth centred universe
What did Gottlib Daimler invent?
Tape recorder
Petrol engine
Hovercraft
Hot air balloon
Who invented revolver?
John Logie Baird
Samuel Colt
Valdemar Paulsen
Karl Benz
What did John Dunlop invent?
Phonograph
Revolver
Pneumatic tyre
Nuclear reactor
Which scientist discovered radium?
William Gilbert
Pierre and Marie Curie
Claudius Ptolemy
Benjamin Franklin
Who among the following invented the tape recorder?
Who invented sewing machine?
Enrico Fermi
J. Walter Hunt
Which scientist discovered the nature of lighting?
Johannes Kepler
Wilhem Roentgen
Thomas Young
Which one of the following is discovered by Gabriel Fahrenheit?
Fahrenheit temperature scale
The nature of lighting
