Light Behavior and Properties Assessment

The video tutorial explores the nature of light, describing it as a form of energy made of photons that behaves both as a particle and a wave. It explains how light interacts with different objects, categorizing them as transparent, opaque, or translucent. The speed of light is discussed, highlighting its rapid travel from the Sun to Earth. The concept of refraction is demonstrated with a pencil in water. The video concludes with trivia about human bioluminescence and light's speed to the Moon.

What is the smallest unit of visible light?

• Photon

• Neutron

• Electron

• Proton

How does light behave when it encounters different kinds of matter?

• As both a particle and a wave

• As neither a particle nor a wave

• Only as a particle

• Only as a wave

What type of object allows light to pass through completely?

• Translucent

• Opaque

• Transparent

• Reflective

Which of the following is an example of an opaque object?

• Frosted glass

• Wood

• Water

• Glass

What is the speed of light in a vacuum?

• 0.1 million miles per second

• 1 million miles per second

• 1 million kilometers per second

• 0.1 million kilometers per second

How long does it take for light to travel from the Sun to Earth?

• 8 minutes

• 8 seconds

• 8 hours

• 8 days

What phenomenon occurs when light bends as it passes through different mediums?

• Reflection

• Absorption

• Diffraction

• Refraction

What happens to a pencil when it is placed in a beaker of water?

• It changes color

• It disappears

• It appears bent

• It appears straight

What is the term for organisms that emit light?

• Phosphorescent

• Fluorescent

• Photosynthetic

• Bioluminescent

How long does it take for light to travel from Earth to the Moon?

• 1.2 seconds

• 12 minutes

• 12 seconds

• 1.2 minutes