Physics Milestones and Discoveries

Physics

A collection of historical breakthroughs, foundational inventions, and experimental discoveries in the field of physics.

science history physics discoveries

12 Questions Medium Ages 12+ Nov 5, 2026

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About this Study Set

This study set covers Physics through 12 practice questions. A collection of historical breakthroughs, foundational inventions, and experimental discoveries in the field of physics. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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1 Who is credited with the invention of the first practical reflecting telescope in 1668?

A Isaac Newton
B Galileo Galilei
C Johannes Kepler
D Christiaan Huygens

2 Which scientist is famously known for the 1909 oil-drop experiment that determined the charge of a single electron?

A J.J. Thomson
B Robert Millikan
C Ernest Rutherford
D James Chadwick

3 In 1895, Wilhelm Röntgen discovered which type of electromagnetic radiation, earning him the first Nobel Prize in Physics?

A Gamma rays
B Ultraviolet light
C X-rays
D Infrared radiation

4 Who was the first person to measure the speed of light using the eclipses of Jupiter's moon, Io, in 1676?

A Ole Rømer
B Albert Michelson
C Hippolyte Fizeau
D Léon Foucault

5 Which physicist discovered the neutron in 1932, a breakthrough that significantly advanced the field of nuclear physics?

A Niels Bohr
B Enrico Fermi
C James Chadwick
D Werner Heisenberg

6 The first controlled nuclear chain reaction was achieved in 1942 under the direction of which physicist?

A Robert Oppenheimer
B Leo Szilard
C Enrico Fermi
D Edward Teller

7 Who constructed the first working laser, demonstrating the stimulated emission of radiation in 1960?

A Charles Townes
B Theodore Maiman
C Arthur Schawlow
D Gordon Gould

8 In 1911, Heike Kamerlingh Onnes discovered which phenomenon when cooling mercury to liquid helium temperatures?

A Superconductivity
B Bose-Einstein condensation
C Superfluidity
D Ferromagnetism

9 Which scientist successfully proved the existence of electromagnetic waves in 1887, validating Maxwell's theory?

A Michael Faraday
B Heinrich Hertz
C André-Marie Ampère
D James Clerk Maxwell

10 Who conducted the 'torsion balance' experiment in 1798 to measure the Earth's density and the gravitational constant?

A Henry Cavendish
B Charles-Augustin de Coulomb
C Joseph-Louis Lagrange
D Pierre-Simon Laplace

11 The transistor, which revolutionized modern electronics, was invented in 1947 by which team of researchers?

A Bardeen, Brattain, and Shockley
B Curie, Becquerel, and Rutherford
C Bohr, Pauli, and Dirac
D Watson, Crick, and Franklin

12 Who was the first person to formulate the laws of planetary motion, describing how planets move in elliptical orbits?

A Nicolaus Copernicus
B Tycho Brahe
C Johannes Kepler
D Isaac Newton

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