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- Question
Who Invented Microwave Oven ?
Options- A. Lewis Edson Waterman
- B. Levi Strauss
- C. Percy LeBaron Spencer
- D. Sir Sandford Fleming
- Correct Answer
- Percy LeBaron Spencer
- 1. Who Invented Piano ?
Options- A. Bartolomeo Cristofori di Francesco
- B. Ruth Graves Wakefield
- C. Adolf Gaston Eugen Fick
- D. Jacques Cousteau Discuss
- 2. Which scientist discovered the radioactive element radium?
Options- A. Isaac Newton
- B. Marie Curie
- C. Benjamin Franklin
- D. None of these Discuss
- 3. What George Westinghouse invented?
Options- A. Electric razor
- B. Light bulb
- C. Railway air brakes
- D. Refrigerator Discuss
- 4. Typewriter was invented by
Options- A. Shockley
- B. Sholes
- C. Howe
- D. None of these Discuss
- 5. Fax machine was invented by
Options- A. Daimler
- B. Dewar
- C. Bain
- D. None of these Discuss
- 6. Who is the inventor of railway engine?
Options- A. George Stephenson
- B. W.H.F Talbot
- C. Richard Trevithik
- D. Eli Whitney Discuss
- 7. It travels over land and water. Who invented the HOVERCRAFT?
Options- A. C. Cockerell
- B. S. Sperrow
- C. O. Stricheg
- D. T. Henman Discuss
- 8. Who invented Fountain Pen?
Options- A. Sir Frank Whittle
- B. John J. Loud
- C. Kirkpatrick Macmillan
- D. Lewis E. Waterman Discuss
- 9. Where were wigs first invented?
Options- A. Japan
- B. France
- C. Egypt
- D. China Discuss
- 10. The first thermionic valve was invented by
Options- A. Thomas Edison
- B. Richardson
- C. J.A. Fleming
- D. Lee De Forest Discuss
Inventions problems
Search Results
Correct Answer: Bartolomeo Cristofori di Francesco
Correct Answer: Marie Curie
Correct Answer: Railway air brakes
Correct Answer: Sholes
Correct Answer: Bain
Correct Answer: Richard Trevithik
Correct Answer: C. Cockerell
Correct Answer: Lewis E. Waterman
Correct Answer: Egypt
Correct Answer: J.A. Fleming
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