Question # 1

Neil Bohr made his three postulates in.

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1897

1905

1913

1921

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

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

Who identified the first series in the spectrum of hydrogen.

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Lyman

Balmer

Pfund

Brackett

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

The first super conductor was discovered in.

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1905

1911

1917

1923

Some concept of static electricity were introduced by.

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Chinese

Plato

Thales

Archimedes

The special theory of relativity was presented by

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Albert Einstein

Newton

Maxwell

Planck

The first artificially produced nuclear transmutation was accomplished by.

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Curie

Rutherford

Becquerel

Chadwick

Who discovered a phenomenon of thermos electricity.

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Peltier

Joule

Seeback

thomson

Davison and Germer received the Nobel Prize in

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1929

1931

1935

1937

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

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

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

Lenz's presented his law is

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1826

1829

1834

1839

The phenomenon of natural radioactivity was discovered by

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Lord Rutherford

James Chadwick

Herie Becquerel

Maria curie

Who discovered neutron in 1932.

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Chadwick

Bohr

Rutherford

Fermi

Who wrote books on sound and music.

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Galileo

Alkundi

Alberuni

Ibn al Haithem

When did an international committee agree on a set of definition of units.

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1912

1956

1960

1986

Which scientist coined the term quantum mechanics.

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Kari mark

Max Born

Erwin schrodinger

Issac Newton

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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PPSC Physics Chapter 8 Scientists, Their Inventions and discoveries MCQs With Answers

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