Flashcards in Light Test Deck (25):
What travels the fastest?
What is the speed of light?
186,000 miles per second
How long does it take light to travel from the sun to the earth?
What type of light is made from its own energy?
If an object does not make it's own light it is
Does light travel in a straight line?
yes - until it hits something
After light hits something how does it travel?
in a wave like motion
What are the waves of light that we can see called?
visible light or a visible spectrum
How many visible colors are there?
What are the visible colors?
ROY G BIV
What color has the longest wave length?
What color has the shortest wave length?
When traveling through a prism which color is bent the least?
What is the top of a transverse wave called?
What is the bottom of a transverse wave called?
What is it measured when a wave travels quickly?
What is amplitude?
it is how bright or how intense it is
What are the three ways that light interacts with objects?
Transparent, translucent and opaque
What is the definition of transparent?
Light can pass through
What is the definition of translucent?
semi solid - semi transparent
What is the definition of opaque?
can't see through it and light can't pass through
What happens when there is a rainbow?
drops of waters act like a prism
What happens to light when it is reflected?
bounces off at an equal angle to the incoming angle - example is a mirror
What happens to light when it is refracted?
when light goes through something and changes direction or is bent. - example is when light hits water