Intro to Waves
A wave with a longer wavelength has a __________ frequency
lower
Sound waves are caused by ________________.
All electromagnetic waves are _____________.
(hint: what direction they travel)
transverse
Most visible light is this color
white
A ________ mirror is a flat, reflective surface that creates an upright, virtual image.
plane
When two wave collide and form a wave with a smaller amplitude
destructive interference
An echo is an example of what wave interaction?
reflection
EM waves are divided into categories based on their ______________ and _________________.
wavelengths and frequencies
Correct order of colors of light refracted through a prism.
red, orange, yellow, green, blue, indigo, violet
ROY G BIV
A __________ image can be projected and is formed when light rays meet or converge.
real
If a wave has a frequency of 2 Hz and a wavelength of 3 m, what is the speed of the wave?
6 m/s
Does sound travel faster in cold air or hot air?
hot air
EM wave with the lowest energy and longest wavelength.
radio waves
Higher frequency light has more ______________.
energy
Convex mirrors curve out and cause light to _________________.
diverge or spread out
What wave interaction is happening in this scenario?
Dolphins can communicate with each other across long distances in the ocean.
transmission
A sound wave with a higher frequency has a __________ pitch.
higher
What is the correct order of waves in the EM spectrum?
Radio, microwaves, infrared, visible light, UV, x-rays, gamma rays
no colors of light, all colors of light
Where light rays meet or converge
focal point
The Tacoma Bridge collapse in 1940 is an extreme example of this wave phenomenon occurring
resonance
As a firetruck travels past you, what will happen to the sound you hear?
it will be quieter and lower in pitch
These waves are used in radar like weather radar and speed guns.
If you mix ____________, ______________, and ______________ light together, white light is made.
red, green, blue
What type of image/images can be formed by a convex lens?
upright, virtual and inverted, real