Light Waves
Practice Problems
Music
Reflections
Photons
100
What is a light wave made out of?
An oscillating electric and magnetic wave.
100
What will the wavelength caused from electromagnetic disturbance of 5.45x10^14 in a very hot object be?
5.5x10^-7 m (550nm)
100
Name that artist
Drake
100
What is the angle of incident equal to?
Angle of reflection.
100
What is a photon
Particle representation of light
200
What determines the color of a light wave?
Wavelength
200
What will my image distance be if my focal point of a concave mirror is 4 cm away from the mirror and my object is 12 cm away from my mirror?
6 cm
200
Name that song
I miss you
200
Name 2 features that make a material reflective.
1. A 'Sea of electrons'
2. Flat
3. Does not absorb much color
200
What is photon emission?
Electron dropping from a higher energy level to lower energy level
300
What determines the energy of a light wave?
Frequency.
300
What is the energy of a photon that has a wavelength of 700nm (7x10^-7 meters)?
2.84x10^-19
300
Name that Band
Coldplay
300
What is a mirror made out of?
Glass and aluminum.
300
What is photon absorption?
Photon hitting an atom and causing electrons to go from a lower energy level to higher energy level
400
When do light waves slow down?
When passing through a medium.
400
Draw a diagram with the following parameters:
f = 3m, O = 18m, I = 3.6
400
Name that band
Muse
400
Which and what of the following is always true in a convex mirror? (real/virtual, upright/inverted, bigger/smaller/same.)
virtual, upright, smaller
400
Explain what the plank constant is?
quantized unit of energy.