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TODAY WE ARE GOING TO TELL YOU SOME World Science and Technology RESEARCH, DISCOVERIES AND INVENTIONS. FRIENDS THIS POST IS BELONG TO ALL COMPETITIONS EXAMINATIONS………Science and Technology
World Science and Technology
RESEARCH, DISCOVERIES AND INVENTIONS
Q.1. A. Physical and Chemical Inventions and Discoveries-
Q.1. Electron –
(A). J.J.Thomson (B). H.C.Urey
Ans.(A). J.J.Thomson
Q.2. Atom bomb (Uranium fission)
(A). Mosley (B). Otto Hahn
Ans. (B). Otto Hahn
Q.3. Hydrogen
(A). J.Priestley (B). H. Cavendish
Ans. (B). H. Cavendish
Q.4. Principle of lever and of specific gravity
(A). Albert Einstein (B). Archimedes
Ans.(B). Archimedes
Q.2. Mechanical Inventions and Discoveries
Q.1. Gramophone
(A). Thomas Alva Edison (B). Elisha Otis
Ans. (A). Thomas Alva Edison
Q.2. Aeroplane
(A).Wright Brothers (B). Frank Whittle
Ans. (A).Wright Brothers
Q.3. Mercury Thermometer
(A). Celsius (B). Fahrenheit
Ans. (B). Fahrenheit
Q.4. Telescope
(A). Galileo (B). Sholes
Ans. (A). Galileo
Q. 3. Medical Discoveries and Inventions
Q.1 .Small pox vaccination
(A). Louis Pasteur (B). Edward Jenner
Ans. (B). Edward Jenner
Q.2. X-ray
(A). Bernini (B). W.K.Roentgen
Ans. (B). W.K.Roentgen
Q.3. Stethoscope
(A). Christian Barnard (B). R. Laennec
Ans. (B). R. Laennec
Q.4. Causes of Malaria
(A). Ronald Ross (B). Joseph Lister
Ans. (A). Ronald Ross
Science and Technology