Reflection & Refraction Flashcards
Approximately how fast does light travel? What is this referred to as?
Light travels at approximately 300,000,000 meters per second. This is referred to as the speed of light.
What are light rays?
Light rays represent thin beams of light and is drawn with an arrow head that shows the direction to travel.
Light travels in straight lines. True of false?
True
When light travels through a material and hits another material it can then be _______, _______, and/or _______.
Absorbed, reflected, transmitted
What happens when light is absorbed? What objects absorb almost all of the light that falls on them?
When light is absorbed, it’s energy is transferred to the absorbing material. Black objects absorb almost all of the light that falls on them.
Light travels in straight lines if what?
Light travels in straight lines if the medium it travels through does not change.
What is reflection?
Reflection occurs when an object or wave bounces back off a surface through does not change
Why is light similar to heat and sound?
Light is a form of energy
What is the Law of Reflection?
The Law of Reflection states that the angle of incidence is equal to the angle of reflection.
