SCIENCE 10 - EM WAVES & NATURE OF LIGHT(SCIENTISTS)

2Q

 Ibn al-Haytham (Alhazen) 

Father of optics

 Ibn al-Haytham (Alhazen) 

demonstrated that light travels in straight lines

René Descartes 

proposed light is a mechanical wave travelling through ‘ether’

Isaac Newton

Father of Classical physics, said that light is particles

Christiaan Huygens

 Wave theory of light, said that light is a wave

Thomas Young

double slit experiment

James Clerk Maxwell

Electromagnetic wave theory, proposed light is in the EM spectrum

Heinrich Hertz

confirmed Maxwell’s theory

Max Planck

Quantum theory - energy is not continuous but is emitted and absorbed in quanta (photons)

Albert Einstein

Father of Modern Physics, called quanta photons

Louis de Broglie

introduced wave-particle duality

William Gilbert

-systematically studied magnetism and coined the term "electricus" to describe materials that attracted small objects.

Hans Christian Orsted

-he discovered that an electric current is surrounded by magnetic field

Micheal Faraday

-he discovered that a moving wire through a magnetic field could produce an electric current

Joseph Henry

-current produced by magnetic field is an induced current

James Clerk Maxwell

-he discovered a scientific theory