Question # 1

Wave theory of light was proposed by

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Newton

Thomas Young

Maxwell

Huygen

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

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Fermi

Newton

Bohr

Einstein

Who devised a technique for the measurement of change on an electron in 1909

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Milikan

Joule

Ampere

Ohm

The special theory of relativity was presented in .

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1905

1909

1911

1919

The first super conductor was discovered in.

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1905

1911

1917

1923

What invention is generally referred to as the first capacitor.

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Mason Jar

Kleist Jar

Layden Jar

Ohm Jar

Michelson's interferometer was devised in.

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1801

1825

1867

1881

The first measurement of the force between electric charges was made in.

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1684

1784

1864

1874

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

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Davy

Count Rumford

Joule

Kelvin

Who gave the idea of matter wave.

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De Broglie

Planck

Einstein

Huygen

Who designed the atomic reactor.

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Wilson

Rutherford

Teller

Fermi

Who identified the first series in the spectrum of hydrogen.

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Lyman

Balmer

Pfund

Brackett

Who developed the world's first vacuum pump in 1650.

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Otto vori Guricke

Lord Kelvin

Saadi Carnot

James maxwell

The discovery of interference of light was made possible in.

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1801

1901

1825

1925

The law of inertia was first time formulated by

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Galileo

Newton

Kepler

Planck

Who invented the first closed tube thermometer in 1713

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Gabried Fahrenheit

Galileo

anders Celsius

Lord Kelvin

Who is generally credited with the invention of first optical microscope.

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Hans Lippershery

Glavanni faber

Galileo

issac Newton

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

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Wein

Stefan

Fraunhofer

Kirchoff

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

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Rumford

Carnot

Kelvin

Celsius

When did max planck suggest that energy is released or absorbed in discrete packets.

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1899

1900

1905

1911

Compton's effect was presented in.

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1921

1923

1931

1933

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

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