Inventions problems
- 1. Which famous scientist unknowingly founded the field of spectroscopy?
Options- A. Issac Newton
- B. Galileo
- C. Graham Bell
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Issac Newton
- 2. Which is an invention that improved safety for railway passengers?
Options- A. Air brakes
- B. Refrigerated rail cars
- C. Time standardization
- D. Pullman sleeping cars Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Air brakes
Explanation:
An invention that improved safety for railway passengers is Air brakes. With the use of air brakes using compressed air, become more effective by preventing many train accidents.
- 3. In which country the hormone gibberellin was discovered?
Options- A. India
- B. Japan
- C. China
- D. Russia Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Japan
Explanation:
The hormone gibberellin was discovered in the country Japan.
- 4. What did Sir William Herschel discover in 1800?
Options- A. Ultraviolet rays
- B. Infra-red radiation
- C. X rays
- D. Microwaves Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Infra-red radiation
Explanation:
Sir William Herschel discovered Infra-red radiation in 1800.
- 5. The credit of inventing the television goes to
Options- A. Philo Farnsworth
- B. John Logie Baird
- C. Charles Francis Jenkins
- D. None of the above Also asked in: CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk, Analyst
Correct Answer: Philo Farnsworth
- 6. Who invented Radio?
Options- A. Grahambell
- B. Galileo
- C. Marconi
- D. Edison Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Marconi
Explanation:
Guglielmo Marconi, an Italian invetor invented Radio in 1890's.
- 7. Who invented FM radio?
Options- A. Edwin Howard Armstrong
- B. Thomas Alva Edison
- C. Graham Bell
- D. Galileo Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Edwin Howard Armstrong
- 8. Who designed the first electronic computer ENIAC?
Options- A. J presper Eckert and John W Mauchly
- B. John W Mauchly and Joseph M Jacquard
- C. J presper Eckert and Von Neuman
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: J presper Eckert and John W Mauchly
- 9. Artificial Intelligent robot named Shelley developed by the MIT media lab writes which type of stories?
Options- A. Love
- B. Action
- C. Drama
- D. Horror Also asked in: Bank Exams, GATE, Bank Clerk, Bank PO
Correct Answer: Horror
- 10. Who among the following discovered electron?
Options- A. J.J Thomson
- B. Max Born
- C. Antoine Lavoisier
- D. Mendeleef Also asked in: Bank Exams
Correct Answer: J.J Thomson
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