International Day of Light

Who is known as the 'Father of Optics'?

• Newton

• Alhazen

• Galileo

• Einstein

Which scientist discovered that light travels at a finite speed?

• Johannes Kepler

• Galileo Galilei

• Isaac Newton

• Ole Rømer

Who proposed the wave theory of light?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• Thomas Young

Which physicist is credited with the invention of the laser?

• Theodore Maiman

• Marie Curie

• Albert Einstein

• Isaac Newton

Who won the Nobel Prize in Physics for the invention of the integrated circuit?

• Jack Kilby and Robert Noyce

• Thomas Edison and Nikola Tesla

• Isaac Newton and Galileo Galilei

• Marie Curie and Albert Einstein

Which scientist first demonstrated the phenomenon of total internal reflection?

• Albert Einstein

• Isaac Newton

• Marie Curie

• John Tyndall

Who discovered the photoelectric effect?

• Isaac Newton

• Marie Curie

• Galileo Galilei

• Albert Einstein

Which physicist formulated the laws of reflection and refraction?

• Albert Einstein

• Marie Curie

• Sir Isaac Newton

• Galileo Galilei

Who is known for the invention of the first practical incandescent light bulb?

• Thomas Edison

• Alexander Graham Bell

• Nikola Tesla

• Benjamin Franklin

Which scientist first measured the speed of light accurately?

• Isaac Newton

• Galileo Galilei

• Ole Rømer

• Johannes Kepler