What are two characteristics of ALL waves?
Back and forth motion
and
Transfer of Energy
Can mechanical waves travel in the vacuum of space?
NO!
Can electromagnetic waves travel through the vacuum of space?
YES!
When looking at a white piece of paper, what color(s) is being reflected? What color(s) is being absorbed?
White contains ALL color, so all color is being reflected, no colors are being absorbed.
In a transverse wave, what is the highest part of the wave called?
Crest
Name the two kinds of mechanical waves.
Compression/Longitudinal
Transverse
If a laser is reflecting off a mirror at a 45 degree angle, what is the angle of incidence?
45 degrees
While looking at a red apple, what color(s) is being reflected? What color(s) is being absorbed?
Red is being reflected, every other color is being absorbed.
In a compression wave, what is the part where the waves are stretched apart called?
Rarefaction
What is a medium?
A substance or material
Which electromagnetic waves can human eyes see?
Visible Light Waves
What is the unknown gas, based on the spectral lines?
Xenon
What is the distance between the crest and crest of a wave called?
wavelength
What is the medium of ocean waves?
water
What is number 2?
Normal Line
What color cone receptors do we have in our eyes?
Red, Green, and Blue
What do we call the speed of a wave? (How often it happens)
Frequency
What is the medium of a spring (slinky)?
The metal or plastic that it is made of
What is it called when light bounces off an object?
Reflection
What color would we see if the electromagnetic wave had a wavelength of 650 nm?
Red