Discussion
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- Question
Atomic theory was devised by
Options- A. Mosley
- B. John Dalton
- C. Daimler
- D. None of these
- Correct Answer
- John Dalton
- 1. Who dicovered X-rays? Discuss
- 2. Landstrom invented
Options- A. Metallurgy
- B. Gas Engine
- C. Safety Match
- D. None of these Discuss
- 3. Who had an explosive idea and first patented DYNAMITE?
Options- A. J. R. Gluber
- B. A. Nobel
- C. G. Fawks
- D. W. Bickford Discuss
- 4. Who was the first person to patent the JET ENGINE?
Options- A. F. Whittle
- B. C. Lindbergh
- C. W. Histell
- D. B. Owings Discuss
- 5. Who invented Electrocardiograph(EKG)? Discuss
- 6. The cause of Beri Beri was discovered by
Options- A. Eijkman
- B. Macmillan
- C. Alexanderson
- D. Cockrell Discuss
- 7. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
Options- A. Golf tee
- B. Motorboat
- C. Water skis
- D. Hang glider Discuss
- 8. What charge card, developed in 1950, was the first to be approved nationally in the US?
Options- A. Discover
- B. MasterCharge
- C. Visa
- D. Diner's Club Discuss
- 9. Who invented ECG?
Options- A. Hans Berger
- B. Einthoven
- C. G. Bist
- D. None of the above Discuss
- 10. Who discovered Insulin
Options- A. William Harvey
- B. Louis Pasteur
- C. F.G.Banting
- D. Alexander Fleming Discuss
Inventions problems
Search Results
Correct Answer: In 1985 the physicist Wilhelm Rontgen discovered X-rays, the "X" signifying their unknown originHe later found that the rays could pass through flesh and by using photographic plates could make images of bones inside the body
Correct Answer: Safety Match
Correct Answer: A. Nobel
Correct Answer: F. Whittle
Correct Answer: The EKG was invented by Willem Einthoven in 1903 and is used to monitor and analyze past and present heart activity in an individual
Correct Answer: Eijkman
Correct Answer: Water skis
Correct Answer: Diner's Club
Explanation:
The card was established by Frank McNamara and Ralph Schneider.
Correct Answer: Einthoven
Correct Answer: Alexander Fleming
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