Inventions Practice Test 133
Electron microscope Quiz Questions and Answers PDF - 133
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The Electron microscope Quiz Questions and Answers PDF (Electron microscope Quiz with Answers PDF e-Book) download Test 133 to learn inventions online courses. Practice Inventions and Inventors trivia questions, Electron microscope Multiple Choice Questions (MCQ) for online college degrees. The Electron microscope Quiz App Download: Free learning app for radio guidance system, coat hanger, aero plane, waterbed, electron microscope test prep for online degrees.
The Quiz: In which one of following year, electron microscope was invented; "Electron microscope" App Download (Free) with answers: 1940; 1869; 1937; 1985; for taking online classes. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for distance learning.
Electron microscope Questions and Answers PDF Download: Quiz 133
In which one of the following year, the electron microscope was invented?
- 1869
- 1940
- 1937
- 1985
In which one of the following year, waterbed was invented?
- 1801
- 1822
- 1833
- 1847
The airplane was invented by
- Sir Orville
- Sir Wilbur
- Sir Benjamin Franklin
- both a and b
In which one of the following year, coat hanger was discovered?
- 1805
- 1888
- 1844
- 1869
The radio Guidance system was invented by
- Sir Adolph Rickenbacker
- Sir George Beauchamp
- Sir Guglielmo Marconi
- Sir Wilhelm Conrad Roentgen
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