Question # 1

Who invented commutator.

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William Sturgeon

William Smith

Michael Faraday

Mosely

The wave nature of light was proposed by

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Thomas Young

Fresnel

Maxwell

Huygen

Who discovered a relation between electric and magnetic field.

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Hans Christian Oersted

Michelson Faraday

Lenz

Hertz

A relationship between mechanical work and heat energy was firstly established dby.

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Davy

Count Rumford

Joule

Kelvin

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

Who wrote books on sound and music.

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Galileo

Alkundi

Alberuni

Ibn al Haithem

The scientist who first noted that a compass needle was deflected when in the neighborhood of a current carrying wire was.

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Joseph Henry

Hans Christian Oersted

Michael Faraday

J.J. Thomson

Polaroid's were invented in

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1787

1887

1897

1929

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

Which of the following scientists is known for his exceptional work in the field of optics.

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Albert Einstein

Issac Newton

Ibn al Haithem

Alberuni

Which of the following pair is correct.

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Rutherford - x-rays

Roentgen - Electron

Chadwick - Neutron

J.J. Thomson -Photon

Who described an ideal heat engine in 1840

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Boyle

Saadi Carnot

Kelvin

Currie

The study of atomic structure of crystals by x rays was initiated by.

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Mosely

Young

Huygen

Bragg

Commutator was invented in

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1820

1830

1834

1840

The temperature scale based upon triple point of water was given by

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Rumford

Carnot

Kelvin

Celsius

J.R. Rydberg Obtained a formula to describe the wavelength of the hydrogen atom in

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1785

1885

1936

1966

Who first studied the visible region of hydrogen spectrum.

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Lyman

Pfund

Balmer

Brackett

Max. Planck was awarded Nobel prize in.

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1916

1918

1921

1923

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

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 discovered neutron in 1932.

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Chadwick

Bohr

Rutherford

Fermi

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

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