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- Question
Who discovered X-Ray?
Options- A. Wilhelm Rontgen
- B. William Lee
- C. X Rollswick
- D. I Thompson
- Correct Answer
- Wilhelm Rontgen
- 1. Who Invented the 3-D printer?
Options- A. Nick Holonyak
- B. Elias Howe
- C. Chuck Hull
- D. Christiaan Huygens Discuss
- 2. Who created the first mechanical computer, which proved to be the prototype for future computers?
Options- A. Archimedes
- B. John Harrison
- C. Cai Lun
- D. Charles Babbage Discuss
- 3. Who Invented Induction Coil?
Options- A. Edwin Howard Armstrong
- B. John Barber
- C. Edwin Beard Budding
- D. Nicholas Callan Discuss
- 4. Assembly line was invented by
Options- A. Alexander Parkes
- B. Luigi Palmieri
- C. Alexey Pajitnov
- D. Ransom Eli Olds Discuss
- 5. Who discovered Circulatory System?
Options- A. Thomas Edison
- B. William Harvey
- C. Robert Hooke
- D. Robert Boyles Discuss
- 6. Arithmometer was invented by
Options- A. Evangelista Torricelli
- B. Charles Xavier Thomas
- C. Edward Teller
- D. Gustav Tauschek Discuss
- 7. Steam Engine was invented by?
Options- A. Simon Stevin
- B. George Stephenson
- C. Gary Starkweather
- D. Percy Spencer Discuss
- 8. Bacteria was discovered by
Options- A. Antonie van Leeuwenhoek
- B. Belarus
- C. Hugo de Vries
- D. Robert Brown Discuss
- 9. Postage Meter was invented by
Options- A. Fyodor Pirotsky
- B. Arthur Pitney
- C. Fritz Pfleumer
- D. Stephen Perry Discuss
- 10. Who invented Television?
Options- A. J L Baird
- B. Aristotle
- C. James Clerk Maxwell
- D. Nikola Tesla Discuss
Inventions problems
Search Results
Correct Answer: Chuck Hull
Correct Answer: Charles Babbage
Correct Answer: Nicholas Callan
Correct Answer: Ransom Eli Olds
Correct Answer: William Harvey
Correct Answer: Charles Xavier Thomas
Correct Answer: George Stephenson
Correct Answer: Antonie van Leeuwenhoek
Correct Answer: Arthur Pitney
Correct Answer: J L Baird
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