General Awareness · Science General

Inventors and Scientific Discoveries

4,616 Questions

This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.

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Inventors and Scientific Discoveries Questions

Multiple choice general knowledge science & technology
  1. Newton

  2. Albert Einstein

  3. Archimedes

  4. None of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The mass-energy equivalence formula E=mc^2 was developed by Albert Einstein as part of his theory of special relativity in 1905. Newton is known for laws of motion, and Archimedes for buoyancy.

Multiple choice general knowledge
  1. James Gosling

  2. charles babbage

  3. Bill gates

  4. B.Surendranath Reddy.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

James Gosling at Sun Microsystems led the Java language project in the early 1990s. The other options are incorrect: Charles Babbage designed the Difference Engine in the 1800s, Bill Gates founded Microsoft, and B. Surendranath Reddy is not associated with Java's development.

Multiple choice general knowledge
  1. Michael Faraday

  2. Marie and Pierrie Curie

  3. Jacob rudolf

  4. None of above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Marie and Pierre Curie discovered radium in 1898 while researching the mineral pitchblende. They shared the 1903 Nobel Prize in Physics for their work on radioactivity.

Multiple choice general knowledge science & technology
  1. bohr model

  2. dalton model

  3. rutherford

  4. all in same year

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

John Dalton proposed his atomic theory in 1803. The Rutherford model was proposed in 1911, and the Bohr model in 1913. Therefore, the Dalton model was published significantly earlier than the others.

Multiple choice general knowledge
  1. Sveriges Riksbank

  2. Royal Swedish Academy of Sciences

  3. Karolinska Institute

  4. None

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Nobel Prize in Economic Sciences was established in 1968 by Sveriges Riksbank (Sweden's central bank) in memory of Alfred Nobel. Unlike the original Nobel Prizes, it was not created by Alfred Nobel's will. The Royal Swedish Academy of Sciences selects the laureates.

Multiple choice general knowledge science & technology
  1. George Stibitz

  2. Charles Babbage

  3. G.W.Leibuiz

  4. Konrad Zuse

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Konrad Zuse, a German engineer, created the Z3 in 1941, which was the world's first working programmable, fully automatic digital computer. He also developed Plankalkül, the first high-level programming language, for his machines. Babbage designed mechanical computers but lacked a modern 'language'.

Multiple choice general knowledge science & technology
  1. Anton Van Leeuwenhoek

  2. H. Binning

  3. Max Knoll and Ernst Ruska

  4. Robert Millikan

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Max Knoll and Ernst Ruska co-invented the electron microscope in 1931. Ruska was later awarded the Nobel Prize in Physics for this achievement. Leeuwenhoek is known for early light microscopes, and Millikan is famous for the oil-drop experiment measuring electron charge.

Multiple choice general knowledge
  1. Edward jenner

  2. Alexander Graham Bell

  3. John.D.Rockefeller

  4. Thomas Alva Edison.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thomas Alva Edison founded the General Electric Company (GE) in 1892 through the merger of his Edison General Electric Company with Thomson-Houston Electric Company. Alexander Graham Bell was involved with AT&T, Edward Jenner developed the smallpox vaccine, and John D. Rockefeller was in oil.

Multiple choice general knowledge
  1. Blind

  2. Scientists

  3. Antichrist

  4. Deaf

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All three individuals - Ludwig van Beethoven (classical composer), Foxy Brown (rapper), and Thomas Edison (inventor) - experienced significant hearing loss or deafness during their lives. Beethoven composed some of his greatest works while deaf, Foxy Brown documented her hearing loss, and Edison was hard of hearing in his later years, showing how this condition transcends different eras and professions.

Multiple choice general knowledge science & technology
  1. Philo Taylor Farnsworth

  2. Thomas Alva Edison

  3. Benjamin Franklin

  4. Galileo Galilei

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Thomas Alva Edison invented the phonograph in 1877, becoming the first device to record and reproduce sound. Farnsworth invented television, Franklin discovered electricity principles, Galileo was an astronomer. The phonograph was Edison's breakthrough invention.

Multiple choice general knowledge science & technology
  1. James Gregory

  2. Benjamin Franklin

  3. Galileo Galilei

  4. Robert Hutchings Goddard

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Galileo Galilei invented the thermoscope, an early prototype of the thermometer, around 1593. His device used the expansion and contraction of air to show temperature changes. James Gregory was a mathematician/astronomer, Benjamin Franklin was a statesman/scientist who studied electricity, and Robert Hutchings Goddard was a rocket pioneer.

Multiple choice general knowledge science & technology
  1. Alexander Graham Bell

  2. Thomas Edison

  3. Martin Cooper

  4. Steve Jobs

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Martin Cooper, working at Motorola, led the team that developed the first handheld mobile phone and made the first public call in 1973. He is widely recognized as the father of mobile phone telephony. Bell invented the telephone, Edison the light bulb, and Jobs was much later.