Constants

Who gave Principle of Buoyancy

Principle of Buoyancy was given by Archimedes

Who gave Principle of Inertia

Principle of Inertia was given by Galileo

Who gave Laws of Electromagnetic Induction

Laws of Electromagnetic Induction was given by Faraday

Who gave Laws of Motion

Laws of Motion was given by Newton

Who gave Law of Gravitation

Law of Gravitation was given by Newton

Who gave Theory of Relativity

Theory of Relativity was given by Einstein

Who gave Law of Photoelectricity

Law of Photoelectricity was given by Einstein

Who discovered X-rays?

Roentgen discovered X-rays

Who discovered Laser?

Laser was discovered by Townes

Who discovered Wave theory of light?

Wave theory of light was discovered by Huygens