Understanding Light and Vision

Which ancient Greek philosopher believed that light originated in our eyes?

• Socrates

• Aristotle

• Hippocrates

• Plato

What did Alhazen propose about the nature of light?

• Light is a form of energy

• Light is collected by our eyes

• Light is emitted from our eyes

• Light is a solid object

What are objects that emit their own light called?

• Reflectors

• Transmitters

• Sources of light

• Absorbers

According to Newton, what is light made up of?

• Reflections

• Energy

• Particles

• Waves

What phenomenon did Newton use to explain the bending of light?

• Interference

• Refraction

• Diffraction

• Reflection

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What did 19th-century experiments show about light?

• Light cannot be made of tiny particles

• Light is a solid object

• Light is a form of energy

• Light is made of solid particles

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What pattern is created when two wave patterns occupy the same space?

• Reflection pattern

• Interference pattern

• Diffraction pattern

• Refraction pattern

What happens when light shines on a metal according to 20th-century experiments?

• It passes through the metal

• It transfers energy in discrete packets

• It bends around the metal

• It reflects off the metal

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What revolutionary theory explains the dual nature of light?

• Thermodynamics

• Quantum Mechanics

• Classical Mechanics

• Relativity

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How does light behave according to quantum mechanics?

• As a solid object

• Sometimes as a particle and sometimes as a wave

• Only as a wave

• Only as a particle

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