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Science QA Physics Inventions-and-Discoveries

Inventions & Discoveries

Archimedes : Invention of the famous Archimedean law, discovery of the principles of lever and specific gravity.

Alexander Fleming : Antibiotic (Penicillin)

Avogadro : An Italian scientists known for Avogadro’s hypothesis.

Bacquarrel : Radio-activity of uranium.

Baird J.L. : Television.

Benjamin Franklin : Lightning conductor.

Bhabha H.J. : Research in cosmic rays and quantum theory.

Binet : Intelligence tests.

Bose, J.C. : Crescograph.

Bose, S.N. : Discovery of nuclear particles ‘Boson’.

Bohr : Electron Theory, Atomic structure.

Bunsen : Spectroscope.

Bushwell : Submarine.

Carothers : Nylon Plastics.

Cavendish : Discovery of hydrogen, rare gases, chemical composition of water.

Charles Darwin : Theory of Evolution; Origin of Species.

Curie, Madame : Radium.

Dalton : Law of partial pressures; Atomic theory; laws of chemical combination; the law of multiple proportions.

Democritus (Greek Philosopher) : Atomic theory.

Dewar : Thermos flask.

Einstein : Theory of relativity.

Euclid : Science of geometry.

Fahrenheit : Fahrenheit mercury thermometric scale in which freezing point is—32° and boiling point is 212°.

Farady : Electromagnetic induction and laws of electrolysis.

Fermi : Artificial splitting of atoms.

Freud : Psycho-analysis.

Gay Lussac : Law of gases.

Herschel. William : Discovered the planet Uranus.

Hertz : Electrical waves.

Hoffman : Aniline dye.

Kelvin, Lord : Dynamic theory of heat.

Khorana, Dr. Hargovind : Interpretation of genetic code.

Lawrence : Invention of cyclotron.

Lee de Forest : Talkies, radio, telephone.

Lockyer : Helium gas.

Louis Braille : Discovered and perfected his system of reading and writing for the blind.

Marconi : Wireless telegraphy, radio.

Maxwell : Electromagnetic theory of light.

Mendel : Laws of heredity.

Mendeleev : Periodic table.

Millikan, R.A. : Cosmic rays.

Newton : Laws of Motion, laws of gravitation.

Nobel : Dynamite.

Otto Hahn : Discovery of uranium fission.

Planck : Quantum theory.

Priestley : Discovery of oxygen.

Raman C.V. : ‘Raman Effect’.

Ramnathan : Molecular scattering of light in fluids.

Ramanujam : A great Indian mathematician.

Ramsay : Discovery of inert gases like Argon, Helium, Neon etc.

Robert Mallet : Seismograph.

Roger Bacon : Discovery of gun powder.

Rontgen : Discovery of X-rays.

Rutherford : Succeeded in splitting the atom for the first time.

Stephenson : British engineer-to put locomotive on the line.

Thomson J.J. : Discovered electron.

Urey : Discovery of Heavy Hydrogen.

Volta : Current electricity and electric battery.

Wright Brothers : Aeroplane

Wadia D.N. : Meteorology.

Ykawa. Hideki : Meson.

34563.Who discovered X-ray?
Madam Curie
Einstein
Roentgen
J.J. Thomson
34564.Aeroplane was invented by
Volta
Nicolas
Orville and Wilbur Wright
Ampere
34565.Television was discovered by
Becquerrel
H.J.Bhaba
Bohr
J.L.Baird
34566.Match List I correctly with List II and select your answer using the codes given below:
a) Radium 1) Roentgen
b) X-ray 2) Alexander Flemming
c) Penicillin 3) Einstein
d) Relativity 4) Madam Curie
1 2 3 4
4 3 2 1
4 1 2 3
3 2 4 1
34567.Phenomenon of radioactivity was discovered by
Madam Curie
Becqueral
Juliot Curie
Roentgen
34568.Penicillin was discovered by
William Harvey
Alexander Fleming
Edward jenner
J.c .Bose
34569.The carbon filament is invented by
Volt
Ampere
Newton
Edison
34570.Electrons were discovered by
Newton
Chadwick
Roentgen
J.J.Thomson
34571.Printing for the blind was introduced by
Michael Faraday
Louis Braille
Harvey
Carton
34572.Printing for the blind was introduced by
Lousis Braille
Michael faraday
Harvey
Carton
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