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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers
Question # 1
Commutator was invented in
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1820
1830
1834
1840
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Question # 2
The temperature scale based upon triple point of water was given by
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Rumford
Carnot
Kelvin
Celsius
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Question # 3
Positron was discovered by
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Wilson
Anderson
Dirac
Stefan
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Question # 4
Max. Planck was awarded Nobel prize in.
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1916
1918
1921
1923
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Question # 5
The diffraction of light was discovered by
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Newton
Young
Francesco Grimaldi
Hertz
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Question # 6
Who developed the first atomic reactor.
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Bohr
Fermi
Rutherford
Taylor
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Question # 7
Every point on any wave front can be considered as a new source of waves This statement is known as.
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Huygen's wave theory
Michelson's wave theory
Remain's effect
Rayligh's wave theory
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Question # 8
Who was the author of Mathematical principles of Natural philosophy.
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Kepler
Einstein
Max Planck
Newton
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Question # 9
The law of gravitation was introduced by
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Huygen
Boyle
Newton
Pascal
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Question # 10
Artificial radioactivity was discovered by
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Rontgen
Becquered
Rutherford
Marie Curie and Pierre Curie
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Question # 11
The first demonstration of wave nature of light was provided in 1801 by the experiment of
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HHuygen
Thomas young
Fresnel
Maxwell
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Question # 12
The law of motion and gravitation were introduced by.,
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Albert Einstein
Issac Newton
Galileo
Archimedes
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Question # 13
Who proposed the thermodynamic scale of temperature.
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Saadi carnot
Lord Kelvin
Sir james dewar
Gabriei fahrenheit
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Question # 14
Who first discovered a similarity in nature of x rays and light rays.
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Roentgen
Bragg
Man Von Lave
Moseley
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Question # 15
Photophone was invented by
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Graham bell
Galileo
Michelson
Faraday
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Question # 16
Who discovered a relation between electric and magnetic field.
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Hans Christian Oersted
Michelson Faraday
Lenz
Hertz
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Question # 17
Michelson's interferometer was devised in.
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1801
1825
1867
1881
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Question # 18
Who introduced the concept that an atom posses quantized energy levels.
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Raman
Bohr
Newton
Fermi
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Question # 19
Interference effects of light were verified by
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Thomas Young
Newton
Bragg
Huygen
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Question # 20
The velocity of light was determined accurately by
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Newton
Huygen
Michelson
Young
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Question # 21
The first super conductor was discovered in.
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1905
1911
1917
1923
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