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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers
Question # 1
Neil Bohr made his three postulates in.
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1897
1905
1913
1921
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Question # 2
Who studied the change in velocity with the help of geometry for the first time.
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Nicole Oresme
Galileo
Alberuni
Ibn al haithem
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Question # 3
Who discovered the exclusion principle which states that no two electrons can occupy the same quantum mechanical state in a given system.
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Neils Bohr
Issac Newton
Wolfgang Pauli
Max Planck
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Question # 4
Who identified the first series in the spectrum of hydrogen.
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Lyman
Balmer
Pfund
Brackett
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Question # 5
The nuclear model of the atom was derived partly from experiments involving the scattering of alpha particles performed by.
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Chadwick
Rutherford
Anderson
Einstein
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Question # 6
The first super conductor was discovered in.
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1905
1911
1917
1923
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Question # 7
Some concept of static electricity were introduced by.
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Chinese
Plato
Thales
Archimedes
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Question # 8
The special theory of relativity was presented by
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Albert Einstein
Newton
Maxwell
Planck
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Question # 9
The first artificially produced nuclear transmutation was accomplished by.
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Curie
Rutherford
Becquerel
Chadwick
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Question # 10
Who discovered a phenomenon of thermos electricity.
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Peltier
Joule
Seeback
thomson
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Question # 11
Davison and Germer received the Nobel Prize in
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1929
1931
1935
1937
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Question # 12
Prince Louis and vector de Brogtle got Nobel Prize for their work on.
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The dual nature of particles
The wave nature of particles
the corpuscular nature of particles
All of the above
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Question # 13
Davision and Germer got Nobel prize for their work on
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The dual nature of particles
The wave nature of particles
The corpuscular nature of particles
All of the above
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Question # 14
Who measured the intensity of emitted energy with wavelength radiated from a blackbody at different temperature.
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Lummer
Pringsheim
stefan
Both a and c
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Question # 15
Lenz's presented his law is
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1826
1829
1834
1839
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Question # 16
The phenomenon of natural radioactivity was discovered by
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Lord Rutherford
James Chadwick
Herie Becquerel
Maria curie
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Question # 17
Who discovered neutron in 1932.
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Chadwick
Bohr
Rutherford
Fermi
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Question # 18
Who wrote books on sound and music.
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Galileo
Alkundi
Alberuni
Ibn al Haithem
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Question # 19
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 # 20
Which scientist coined the term quantum mechanics.
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Kari mark
Max Born
Erwin schrodinger
Issac Newton
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Question # 21
J.R. Rydberg Obtained a formula to describe the wavelength of the hydrogen atom in
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1785
1885
1936
1966
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