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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers
Question # 1
The law of motion and gravitation were introduced by.,
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Albert Einstein
Issac Newton
Galileo
Archimedes
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Question # 2
Who developed the world's first vacuum pump in 1650.
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Otto vori Guricke
Lord Kelvin
Saadi Carnot
James maxwell
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Question # 3
Who pointed out that both wave and particle aspects are required for the complete description of both radiation and matter.
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Davison and Germer
J.J.Thomson
Neil Bohr
Compton
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Question # 4
When did an international committee agree on a set of definition of units.
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1912
1956
1960
1986
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Question # 5
Magnetic effect of current was discovered by
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Faraday
Fleming
Oersted
Ampere
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Question # 6
The circumference of earth was measured by
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Alberuni
Alkundi
Ibn al haithem
Issac Newton
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Question # 7
A relationship between mechanical work and heat energy was firstly established dby.
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Davy
Count Rumford
Joule
Kelvin
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Question # 8
What invention is generally referred to as the first capacitor.
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Mason Jar
Kleist Jar
Layden Jar
Ohm Jar
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Question # 9
Who introduced the concept that an atom posses quantized energy levels.
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Raman
Bohr
Newton
Fermi
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Question # 10
Prof. Abdul Salam was awarded Novel prize in
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1970
1972
1979
1983
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Question # 11
The first artificially produced nuclear transmutation was accomplished by.
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Curie
Rutherford
Becquerel
Chadwick
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Question # 12
Natural radioactivity was discovered in.
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1978
1896
1904
1906
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Question # 13
Who described an ideal heat engine in 1840
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Boyle
Saadi Carnot
Kelvin
Currie
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Question # 14
The concept of entropy was introduced by
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Saadi Carnot
Boyle
Charles
Rudolph Celsius
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Question # 15
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 # 16
Compton's effect was presented in.
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1921
1923
1931
1933
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Question # 17
Positron was discovered by
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Wilson
Anderson
Dirac
Stefan
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Question # 18
Who provided theoretical explanation of a blackbody spectrum.
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Einstein
Planck
Wien
stefan
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Question # 19
Who was the author of Mathematical principles of Natural philosophy.
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Kepler
Einstein
Max Planck
Newton
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Question # 20
Which of the following pair is correct.
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Rutherford - x-rays
Roentgen - Electron
Chadwick - Neutron
J.J. Thomson -Photon
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Question # 21
The wave nature of light was proposed by
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Thomas Young
Fresnel
Maxwell
Huygen
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