Inventions Practice Test 174
Laser Quiz PDF: Questions and Answers - 174
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The Laser Trivia Questions and Answers PDF (Laser Quiz Answers PDF e-Book) download Test 174 to learn inventions online courses. Practice Inventions and Inventors MCQ questions, Laser Multiple Choice Questions (MCQ) for online college degrees. The Laser Quiz App Download: Inventions Learning App [Free] for pascaline calculator, access bar, pencillin, gas turbine, laser test prep for online elementary school.
The Quiz: In which one of following year first laser was discovered; "Laser" App (iOS, Android) with answers: 1940, 1950, 1960, and 1930 for online school and college. Study inventions and inventors questions and answers, Apple e-Book to download free sample for online degree programs.
Laser Questions and Answers PDF Download: Quiz 174
In which one of the following year the first laser was discovered?
- 1950
- 1940
- 1930
- 1960
In which one of the following year, internal combustion engine was discovered?
- 1811
- 1855
- 1826
- 1801
Penicillin was discovered by
- Sir Frances Gabe
- Sir George Beers
- Sir Alexander Fleming
- Sir Louis Pasteur
Patented food bar was designed to help burn fat by a pathologist in California named as
- Dr Larry wang
- Sir George Beers
- Sir Norman Rolston
- Sirr James Naismith
In which century, Pascaline calculator was patented?
- 16th Century
- 19th Century
- 17th Century
- 15th Century
Mock Tests: Inventions Course Prep
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