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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers
Question # 1
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 # 2
Prof. Abdul Salam was awarded Novel prize in
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1970
1972
1979
1983
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Question # 3
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 # 4
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 # 5
Who first studied the visible region of hydrogen spectrum.
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Lyman
Pfund
Balmer
Brackett
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Question # 6
The special theory of relativity was presented in 1905 by
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Young
Planck
Schrodinger
Einstein
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Question # 7
Who explained the Fraunhofer lines in the spectrum of solar radiations.
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Wein
Stefan
Fraunhofer
Kirchoff
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Question # 8
A new class of ceramics materials was discovered in.
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1938
1958
1978
1986
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Question # 9
Who explained Browian movement quantitatively.
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Issac Newton
albert Einstein
James Maxewll
Robert Brown
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Question # 10
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 # 11
Photophone was invented by
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Graham bell
Galileo
Michelson
Faraday
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Question # 12
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 # 13
Compton's effect was presented in.
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1921
1923
1931
1933
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Question # 14
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 # 15
The first successful quantitative theory of atomic structure was formulate by
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David Bohm
Louis de Broglie
Neil Bohr
J Jj. Thomson
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