Hello Aspirants. Welcome to Online General Knowledge section in Affairs cloud, which is important for all the competitive exams. We have created Some questions related to Basic GK(Inventions & Inventors) !!!
- Who discovered the Radium ?
5.None of theseAnswer – 3.Marie Curie
Marie Curie discovered the polonium and Radium
Radium is a chemical element with symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals.
- Mobile Phone invented by ……………………
5.None of theseAnswer – 3. Martin Cooper
Martin “Marty” Cooper is an American engineer. He is a pioneer and visionary in the wireless communications industry. Motorola was the first company to produce a handheld mobile phone. On 3 April 1973 when Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engelof Bell Labs.
- Who among the following invented the Bicycle ?
5.None of theseAnswer – 1.Macmillan
Kirkpatrick Macmillan was a Scottish blacksmith. He is generally credited with inventing the rear-wheel driven bicycle
- Wilhelm Conrad Rontgen invented the ……………………
5.None of theseAnswer – 2.X ray
Wilhelm Conrad Röntgen was a German physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the first Nobel Prize in Physics in 1901.
- Who invented the Watch ?
5.None of theseAnswer – 3.A.L.Breguet
Abraham-Louis Breguet or Bréguet was a horologist who made many innovations in the course of a career in watchmaking in France. In his lifetime he was considered the leading watchmaker of his day.
- Computer was invented by …………………………
5.None of theseAnswer – 3.Charles Babbage
Charles Babbage was considered to be the father of computing after his invention and concept of the Analytical Engine in 1837. The Analytical Engine contained an Arithmetic Logic Unit (ALU), basic flow control, and integrated memory; hailed as the first general-purpose computer concept.
- ……………………….. was by Zacharias Janssen
4.Micro wave oven
5.None of theseAnswer – 2.Micro Scope
Zacharias Janssen was a Dutch spectacle-maker from Middelburg associated with the invention of the first optical telescope. Janssen is sometimes also credited for inventing the first truly compound microscope.
- Who among the following invented the Telegraph ?
5.None of theseAnswer – 2.Pavel Schilling
Baron Pavel L’vovitch Schilling, also known as Paul Schilling was a diplomat of Baltic German origin employed in the service of Russia in Germany, and who built a pioneering electrical telegraph in 1831. It consisted of a single needle system which used a telegraph code to indicate the characters in a message.
- Electric Light Bulb was invented by ……………………….
3.Sir Alexander Fleming
5.None of theseAnswer – 1.Thomas Edison
Thomas Alva Edison was an American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb(1879).
The first electric light was made in 1800 by Humphry Davy, an English scientist.
- Steam Engine was invented by ………………….
5.None of theseAnswer – 2.James Watt
James Watt was a Scottish inventor, mechanical engineer, and chemist whose Watt steam engine, an improvement of the Newcomen steam engine, was fundamental to the changes brought by the Industrial Revolution.
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. Steam engines are external combustion engines, where the working fluid is separate from the combustion products
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