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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers
Question # 1
The circumference of earth was measured by
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Alberuni
Alkundi
Ibn al haithem
Issac Newton
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Question # 2
The three law of motion first published in 1687 by Sir Issac Newton in his work.
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Method of Fluxions
Optics
Principal Mathematica
Arithmetic Universalism
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Question # 3
Who explained Browian movement quantitatively.
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Issac Newton
albert Einstein
James Maxewll
Robert Brown
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Question # 4
The study of atomic structure of crystals by x rays was initiated by.
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Mosely
Young
Huygen
Bragg
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Question # 5
Electromagnetic wave theory was proposed by
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Maxwell
Hertz
Fizeace
Huygen
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Question # 6
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 # 7
Who described an ideal heat engine in 1840
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Boyle
Saadi Carnot
Kelvin
Currie
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Question # 8
Lenz's presented his law is
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1826
1829
1834
1839
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Question # 9
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 # 10
The special theory of relativity was presented by
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Albert Einstein
Newton
Maxwell
Planck
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Question # 11
Which scientist announced for the first time that the universe is expanding.
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Einstein
Newton
Edward Hubble
Karl Marx
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Question # 12
Who proposed that light energy travels in space by means of wave motion.
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Maxwell
Planck
De-Broglie
Huygen
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Question # 13
Who explained the Fraunhofer lines in the spectrum of solar radiations.
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Wein
Stefan
Fraunhofer
Kirchoff
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Question # 14
The first super conductor was discovered in.
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1905
1911
1917
1923
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Question # 15
Who discovered neutron in 1932.
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Chadwick
Bohr
Rutherford
Fermi
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Question # 16
Commutator was invented in
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1820
1830
1834
1840
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Question # 17
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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Question # 18
Which one of the following scientists got Noble prize due to his work of combining two basic forces of nature.
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Dr. Abdul Qadeer khan
Dr. Abdul Salam
Dr. Muhammad ishfaq
Dr. Mubarak mund
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Question # 19
Prince Louis and Vector de broglie received the Nobel prize in.
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1919
1923
1927
1929
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Question # 20
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 # 21
The law of gravitation was introduced by
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Huygen
Boyle
Newton
Pascal
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