Parts & Types of Waves
Wave Behavior
Wave or Particle?
Increase & Decreases
Calculations
EM Spectrum
100
What type of wave is light?
Longitudinal or Transverse?
Transverse
100
Light photons bounce off of mirrors in a process called ...
reflection
100
Interference ... Wave behavior, particle behavior, or both?
Wave
100
An electromagnetic wave with a lower frequency has a __________ wavelength.
longer
100
How much energy is in an 80 Hz photon?
5.3 x 10-32 J
100
All waves on the EM Spectrum have the same ...
speed
200
What type of wave is this?
Transverse
200
Diffraction
200
Reflection ... Wave behavior, particle behavior, or both?
both
200
Constructive interference occurs when a crest of one wave hits the __________ of another wave, causing the amplitude at that location to ______________. This would make light _____________.
crest, increase, brighter
200
A wave has a wavelength of 2 m and a frequency of 8 Hz. Is this a mechanical wave or electromagnetic wave?
v = 16 m/s
not the speed of light
must be mechanical wave
200
Which type of EM Waves have the longest wavelength?
Radio Waves
300
What do we call the distance between 2 crests?
wavelength
300
What do we call it when 2 waves are in the same location at the same time?
Interference
300
Photoelectric Effect ... Wave behavior, particle behavior, or both?
particle behavior
300
A higher energy photon has a _______ wavelength.
shorter
300
What is the wavelength of a 5 x 105 Hz radio wave?
600 m
300
Which type of EM Waves are the highest energy?
Gamma Waves
400
What do all light waves have in common?
Wavelength, Frequency, or Velocity?
Velocity
400
What do we call the change in direction of a wave when it changes the medium it travels through?
Refraction
400
Diffraction ... Wave behavior, particle behavior, or both?
wave behavior
400
What would cause more electrons to be emitted from a piece of metal that is hit by light?
brighter light
more photons
400
A photon has 4 x 10-25 J of energy. What is its wavelength?
approximately
0.5 m
400
Which color light has the highest frequency?
Purple
500
What do we call 1 packet of light wave energy?
Photon
500
What causes rainbows?
Refraction
500
Refraction ... Wave behavior, particle behavior, or both?
both
500
What would cause faster electrons to leave a piece of metal that is hit by light?
higher energy photons
higher frequency photons
shorter wavelength photons
500
A photon with a wavelength of 6 x 10-7 m causes an electron to be ejected from a metal at 666,667 m/s. What is the Ionization Energy of the Metal? Hint: Electrons have a mass of 9 x 10-31 kg.
4.63 x 10-19 J
500
What are the 3 types of "Ionizing Radiation"?
UV Rays
X-rays
Gamma Rays