Question # 1

The special theory of relativity was presented in 1905 by

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Young

Planck

Schrodinger

Einstein

Who proposed the thermodynamic scale of temperature.

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Saadi carnot

Lord Kelvin

Sir james dewar

Gabriei fahrenheit

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

Young's double slit experiment was performed in

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1801

1916

1901

1934

Who discovered a phenomenon of thermos electricity.

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Peltier

Joule

Seeback

thomson

Who suggested that energy is radiated or absorbed in discrete packers called quanta.

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Max. Planck

Stefan

Lummer

Boltzmann

The law of gravitation was introduced by

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Huygen

Boyle

Newton

Pascal

Balmer identified the spectral lines in the spectrum of hydrogen in

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1785

1885

1936

1966

The concept of entropy was introduced by

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Saadi Carnot

Boyle

Charles

Rudolph Celsius

Positron was discovered by

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Wilson

Anderson

Dirac

Stefan

The convincing evidence of the wave nature of electrons was provide by.

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Stefan

Rayleigh

Davision and Germer

Balmer

Who described an ideal heat engine in 1840

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Boyle

Saadi Carnot

Kelvin

Currie

Who introduced the concept that an atom possesses quantized energy levels.

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Fermi

Newton

Bohr

Einstein

Which scientist coined the term quantum mechanics.

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Kari mark

Max Born

Erwin schrodinger

Issac Newton

Who was the first to suggest the existence of a positively charged nucleus in an atom.

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J.J Thomson

R.A Millikan

E.Rutherford

Neil Bohr

Who explained the Fraunhofer lines in the spectrum of solar radiations.

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Wein

Stefan

Fraunhofer

Kirchoff

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

Interference effects of light were verified by

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Thomas Young

Newton

Bragg

Huygen

Some concept of static electricity were introduced by.

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Chinese

Plato

Thales

Archimedes

Which scientist announced for the first time that the universe is expanding.

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Einstein

Newton

Edward Hubble

Karl Marx

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

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