Welcome to Online General Knowledge section in Affairs cloud, which is important for SSC, RRB and other competitive exams. We have created Some questions related to Basic GK(Inventions & Inventors) !!!
- Who is the inventor of LCD (liquid crystal display) ?
5.None of theseAnswer – 2.Hoffmann-La Roche
LCD (liquid crystal display) is invented by Hoffmann-La Roche in 1979
- _________________ discovered the planet Uranus
4.Elmer V. McCollum
5.None of theseAnswer – 3.William Hershel
History, William Hershel discovers Uranus on Mar 13, 1781. This was the first planet to be discovered
- Who developed the first practical transformer ?
1.William B. Shockley
2.Walter H. Brattain
3.James Van Allen
5.None of theseAnswer – 4.William Stanley
William Stanley was an inventor and engineer. He developed the first practical transformer
- Telegraphone was developed by whom ?
4.Samuel F. B. Morse
5.None of theseAnswer – 2.Valdemar Poulsen
Telegraphone is a device was developed by Valdemar Poulsen. He invented the telegraphone and developed the first practical device for recording and replaying sound
- Who among the following is credited with creating and building the world’s first liquid-fueled rocket ?
2.Robert Hutchings Goddard
5.None of theseAnswer – 2.Robert Hutchings Goddard
Robert Hutchings Goddard was an American engineer, professor, physicist, and inventor who is credited with creating and building the world’s first liquid-fueled rocket, which he successfully launched on March 16, 1926
- ……………….. invented the rolled photography film with camera
5.None of theseAnswer – 4.George Eastman
George Eastman invented rolled photography film and the Kodak camera. An avid photographer,he was the founder of the Kodak company
- Who is the inventor of Barograph ?
5.None of theseAnswer – 3.Alexhander Cumming
Alexhander Cumming was a Scottish watchmaker and instrument . This is notable as the first accurate recording barograph.
- Van Leeuwenhoek is the discoverer of _________________
5.None of theseAnswer – 2.Bacteria
Van Leeuwenhoek discovered “protozoa” – the single-celledorganisms and he called them “animalcules”. He also improved the microscope and laid foundation for microbiology. He is often cited as the first microbiologist to study muscle fibers, bacteria, spermatozoa and blood flow in capillaries
- Who is the discoverer of logarithms ?
5.None of theseAnswer – 1.John Napier
John Napier of Merchiston was a Scottish landowner known as a mathematician, physicist, and astronomer. He was the 8th Laird of Merchiston. His Latinized name was Joannes Neper. John Napier is best known as the discoverer of logarithms.
- Who is called as Father of Fiber Optics ?
3.Narinder Singh Kapany
4.Dr. Thomas Mensah
5.None of theseAnswer – 3.Narinder Singh Kapany
Narinder Singh Kapany is an Indian-born American Sikh physicist known for his work in fibre optics. He is also known as “Father of Fiber Optics”