1 Nature of the light

Who supported the extramission theory of vision?

• Euclid

• Mo-Zi

• Huygens

• Newton

What is the theory that suggests eyes emit rays or streams of light to perceive objects?

• Particle theory of light

• Extramission theory

• Intromission theory

• Wave theory of light

Who proposed the particle theory of light to explain the characteristics of light?

• Louis de Broglie

• Isaac Newton

• Thomas Young

• Christian Huygens

What is the relationship between the angle of incidence and the angle of reflection according to the Laws of Reflection?

• angle of incidence = angle of reflection

• angle of incidence = 90 degrees

• angle of incidence < angle of reflection

• angle of incidence > angle of reflection

Who discovered the Laws of Refraction?

• Thomas Young

• Willebrord Snell

• Christian Huygens

• Isaac Newton

What is the relationship between the refractive indices of two media and the angles of incidence and refraction according to Snell's Law?

• n1 = n2

• n1tanθi = n2tanθt

• n1cosθi = n2cosθt

• n1sinθi = n2sinθt

Who was awarded the Nobel Prize in Physics for the discovery of the law of the photoelectric effect?

• Isaac Newton

• Christian Huygens

• Albert Einstein

• Louis de Broglie

What did Thomas Young successfully demonstrate through his double-slit experiments?

• Particle theory of light

• Photoelectric effect

• Interference of light

• Wave-particle duality

What was the theory that dominated optics during the 18th century?

• Wave theory of light

• Wave-particle duality

• Quantum Mechanics

• Particle theory of light

The photoelectric effect is

• emission of electrons from a material caused by photons

• emission of photons from a material caused by electrons

• absorption of electrons from a material caused by photons

• absorption of photons from a material caused by electrons