Description : Who invented the telephone? (1) Thomas Alva Edison (2) Galileo (3) Alexander Graham Bell (4) G. Marconi
Last Answer : (3) Alexander Graham Bell
Description : Who invented Cinema? (1) Thomas Alva Edison (2) Nicolas and Jean Lumiere (3) William Murdock (4) Dr. J. Brandenberger
Last Answer : Nicolas and Jean Lumiere
Description : The first thermionic valve was invented by (1) Thomas Edison (2) Richardson (3) J.A. Fleming (4) Lee De Forest
Last Answer : J.A. Fleming
Description : The scientist who first sent electromagnetic waves to distant places is – (1) James Clerk Maxwell (2) Heinrich Hertz (3) Thomas Alva Edison (4) John Logie Baird
Last Answer : (3) Thomas Alva Edison Explanation: Radio is the transmission of single through free space by electromagnetic radiation of a frequency significantly below that of visible light, in the radio frequency range, from about 30 kHz to 300 GHz. Those waves are called radio waves.
Description : The scientist who first sent electromagnetic waves to distant places is (1) James Clerk Maxwell (2) Heinrich Hertz (3) Thomas Alva Edison (4) John Logie Baird
Last Answer : Thomas Alva Edison
Description : The steam engine was invented by (1) James Watt (2) James Prescott Joule (3) New Commen (4) Isaac Newton
Last Answer : (1) James Watt
Description : Who invented aeroplane ? (1) Edison (2) Stevenson (3) Hoffman (4) Wright Brothers
Last Answer : Wright Brothers
Description : Answer: Thomas Alva Edison.
Last Answer : The electronic configuration of an atom is 2, 8, and 2. What is its atomic number?
Description : How many kids does Thomas Alva Edison have?
Last Answer : Thomas Alva Edison has 6 children
Description : The Scientist who told “Heat is a form of Energy” was------? A. Thomas Alva Edison B. Newton C. Joule (Answer) D. Kepler
Last Answer : C. Joule (Answer)
Description : Thermos was invented by _________. a. Sir Arthur Conan Doyle b. Sir Fredrich the Great c. Thomas Edison d. Sir James Dewar
Last Answer : Sir James Dewar
Description : Alva Edison invented Phonograph in: (a) 1872 (b) 1876 (c) 1878 (d) None of these
Last Answer : (d) None of these
Description : The telephone was invented by: (1) G. Marconi (2) Alexander Graham Bell (3) J.L. Baird (4) Thomas Barrow
Last Answer : Alexander Graham Bell
Description : Who invented the Jet Engine? (1) Karl Benz (2) Sir Frank Whittle (3) Thomas Savery (4) Michael Faraday
Last Answer : Sir Frank Whittle
Description : Who invented chloroform as anaesthetic? (1) James Simpson (2) Edward Jenner (3) Alexander Fleming (4) Christian Barnard
Last Answer : James Simpson
Description : Who invented vaccination? (1) James Simpson (2) Edward Jenner (3) Alexander Fleming (4) Christian Barnard
Last Answer : Edward Jenner
Description : Who invented the video-tape? (1) Richard James (2) Charles Ginsberg (3) P.T. Farnsworth (4) Georges de Mestral
Last Answer : Charles Ginsberg
Description : What challenges were faced by thomas Edison when he made the light bulb?
Last Answer : He made 1,000 non-working light bulbs, but then, finally, hemade a working one.
Description : who invented bulb? A. Philips B. Robert C. Edison (Answer) D. Willium
Last Answer : C. Edison (Answer)
Description : Who invented the ‘World Wide Web’ ? (1) Tim Berners-Lee (2) Martin Cooper (3) R. Samuel Tomlinson (4) Charles Babbage
Last Answer : Tim Berners-Lee
Description : Who invented the mobile phone? (1) Tim–Berners–Lee (2) Raymond Samuel Tomlinson (3) Chuck Hull (4) Martin Cooper
Last Answer : Martin Cooper
Description : Gas engine was invented by: (1) Charles (2) Davy (3) Daimler (4) Diesel
Last Answer : Daimler
Description : Who invented the battery? (1) Roentgen (2) Volta (3) Faraday (4) Maxwell
Last Answer : Volta
Description : Who invented the Safety razor? (1) Gillette (2) Steve Cher (3) Steve Job (4) Lar Strauss
Last Answer : Gillette
Description : Telephone was invented by (1) Alexander Graham Bell (2) Baird (3) Stevenson (4) Newton
Description : Crescograph was invented by (1) S.N. Bose (2) P.C. Roy (3) J.C. Bose (4) P.C. Mahalanobis
Last Answer : J.C. Bose
Description : Who invented aeroplane ? (1) Orville Wright and Wilbur Wright (2) Sir Frank Whittle (3) Michael Faraday (4) Christian Huygens
Last Answer : Orville Wright and Wilbur Wright
Description : Who invented Penicillin ? (1) William Harvey (2) Louis Pasteur (3) Alexander Fleming (4) Edward Jenner
Last Answer : Alexander Fleming
Description : Who invented ‘Helicopter’ ? (1) Cockrell (2) Brequet (3) Otis (4) Frank Whittle
Last Answer : Brequet
Description : The computer was invented by (1) Faraday (2) Maxwell (3) Babbage (4) Bill Gates
Last Answer : Babbage
Description : Who invented Portland Cement? (1) Leonardo da Vinci (2) Denis Gason (3) Joseph Aspdin (4) Percy L. Spencer
Last Answer : Joseph Aspdin
Description : Who invented the hydrogen bomb? (1) J.Robert Oppenheimer (2) Albert Einstein (3) Samuel Cohen (4) Edward Taylor
Last Answer : Edward Taylor
Description : Who invented vaccination for 'Small Pox'? (1) Sir Fredrick Grant Banting (2) Sir Alexander Fleming (3) Edward Jenner (4) Louis Pasteur
Description : Who invented penicillin ? (1) Alexander Fleming (2) Louis Pasteur (3) Dreser (4) Edward Jenner
Description : Leprosy bacillus was invented by (1) Koch (2) Hansen (3) Fleming (4) Harvey
Last Answer : Koch
Description : Gunpowder was invented by (1) Roger Bacon (2) Colt (3) C.V. Raman (4) Dr. Gatting
Last Answer : Roger Bacon
Description : Who invented the “Voice Mail”? (1) Gordon Matthews (2) Alexander Graham Bell (3) J.A. Fleming (4) V. Poulsen
Last Answer : Gordon Matthews
Description : Who invented the polio vaccine (oral) ? (1) Jonas Salk (2) Albert Sabin (3) Burkholder (4) Robert Koch
Last Answer : Albert Sabin
Description : Which company invented the transistor ratio ? (1) Sony (2) Grundig (3) Panasonic (4) Telstra
Last Answer : Sony
Description : Who invented the laser? (1) Sir Frank Whittle (2) Fred Morrisson (3) T.H. Maiman (4) Dr. Charles H. Jones
Last Answer : T.H. Maiman
Description : Who invented Radar? (1) J. H. Van Tassel (2) Wilhelm K. Roentgen (3) P. T. Farnsworth (4) A. H. Taylor and Leo C. Young
Last Answer : A. H. Taylor and Leo C. Young
Description : Who invented optical fibre? (1) Samuel Cohen (2) Narinder Kapany (3) Percy L.Spencer (4) T.H. Maimah
Last Answer : Narinder Kapany
Description : The “morning star of Industrial Revolution” (a) Thomas Newman (b) John James (c) Francis Bacon (d) James Watt
Last Answer : (d) James Watt
Description : Electric current is measured using which of the following instrument ? (1) Ammeter (2) Voltmeter (3) Anemometer (4) Wattmeter
Last Answer : Ammeter
Last Answer : Thomas Edison's father's name is Samuel Ogden Edison.
Description : Who invented the Railway engine first? A. Charles Babbage B. George Stephenson C. James Watt D. Isaac Newton
Last Answer : B [George Stephenson] Explanation: In In 1825 George Stephenson built the Locomotion for the Stockton and Darlington Railway. This was the first public steam railway in the world and then in 1829, ... is divided into 18 zones. Recently added South Coast Railway zones in Indian Railway (2019).
Description : Who invented the railway engine? (a) Charles Babbage (b) Isaac Newton (c) James Watt (d) George Stephenson
Last Answer : (d) George Stephenson
Description : Steam engine was invented by................. (a) George Michelet (b) Edmund Cartwright (c) Samuel Crompton (d) James Watt
Description : Q: Which first electrical item did Thomas Edison invent? -General Knowledge
Last Answer : Light Bulb is the answer
Description : In which state Thomas Edison die?
Last Answer : In New Jersey