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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers
Question # 1
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 # 2
The law of gravitation was introduced by
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Huygen
Boyle
Newton
Pascal
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Question # 3
The special theory of relativity was presented by
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Albert Einstein
Newton
Maxwell
Planck
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Question # 4
Commutator was invented in
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1820
1830
1834
1840
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Question # 5
Who developed hypothetical heat engine that has the maximum possible efficiency in 1824
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Saadi carnot
August Otto
rudolf Diesel
Kari Benz
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Question # 6
When did max planck suggest that energy is released or absorbed in discrete packets.
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1899
1900
1905
1911
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Question # 7
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 # 8
Who invented the first closed tube thermometer in 1713
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Gabried Fahrenheit
Galileo
anders Celsius
Lord Kelvin
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Question # 9
Some concept of static electricity were introduced by.
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Chinese
Plato
Thales
Archimedes
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Question # 10
The special theory of relativity was presented in 1905 by
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Young
Planck
Schrodinger
Einstein
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Question # 11
Compton's effect was presented in.
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1921
1923
1931
1933
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Question # 12
Who suggested that energy is radiated or absorbed in discrete packers called quanta.
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Max. Planck
Stefan
Lummer
Boltzmann
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Question # 13
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 # 14
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 # 15
Who first studied the visible region of hydrogen spectrum.
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Lyman
Pfund
Balmer
Brackett
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Question # 16
The law of motion and gravitation were introduced by.,
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Albert Einstein
Issac Newton
Galileo
Archimedes
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Question # 17
who discovered taht mass and energy are forms of each other.
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Issac Newton
Albert Einstein
Galileo
Khawarizmi
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Question # 18
Who devised a technique for the measurement of change on an electron in 1909
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Milikan
Joule
Ampere
Ohm
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Question # 19
Lenz's was a physicist of.
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America
Russia
Japan
China
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Question # 20
Who is generally credited with the invention of first optical microscope.
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Hans Lippershery
Glavanni faber
Galileo
issac Newton
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