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Who invented what?

you have to simply tell the names of inventors. 8 Questions.

 
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mamoth
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1
Question 1 Photo

Who invented ball point pen?

  • Biro brothers
  • Waterman brothers
  • Bicc brothers
  • Write brothers

2
Question 2 Photo

In which decade was the first solid state integrated circuit demonstrated?

  • 1950s
  • 1960s
  • 1970s
  • 1980s

3
Question 3 Photo

What was invented by J. B. Dunlop ?

  • Automobile wheel rim
  • Rubber boot
  • Pneumatic rubber tire
  • Model airplanes

4
Question 4 Photo

Which scientist discovered the radio active element radium?

  • Isaac Newton
  • Albert Einstein
  • Benjamin Franklin
  • Marie Curie

5
Question 5 Photo

In which year was barb wire patented?

  • 1874
  • 1840
  • 1895
  • 1900

6
Question 6 Photo

What is the name of the CalTech seismologist who invented the scale which is used to measure the magnitude of earthquakes?

  • Charles Richter
  • Hiram Walker
  • Giuseppe Mercalli
  • Joshua Rumble

7
Question 7 Photo

What was invented by Galileo?

  • Barometer
  • Pendulum clock
  • Microscope
  • Thermometer

8
Question 8 Photo

What is the name of this statesman, politican, scholar, inventor, and one of early presidents of USA who invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.

  • George Washington
  • Alexander Hamilton
  • John Adams
  • Thomas Jefferson

 

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