Law of Reflection
the law of reflection states that the angle of incidence....
equals the angle of reflection
The type of light that does not need to be hot in order to glow
luminescent
when light bounces off a surface it is called what?
reflection
this type of mirror has an inward curve
the EM spectrum is an organization of different types of what?
radiation
the imaginary line that acts as a reference point is called what?
the normal
This type of light is highly NRG efficient and long-lasting
LED
what pathway does light travel?
in a straight line
this mirror shows inverted images
concave
what is the most dangerous type of radiation?
gamma rays
the ray that first strikes the object is called the what?
the incident ray
When 2 or more substances need to mix in order to produce light it is called...
chemiluminescent
when a ray of light separates into all its different wavelengths it is called what?
dispersion
this mirror has wide angle viewing
convex
what type of radiation allows us to detect heat?
infrared
does the law of reflection apply for curved mirrors?
no
a lava lamp is an example of what type of light?
incandescent
as light travels through different substances and its direction changes, what is occurring?
refraction
car side mirrors say "objects in mirror may be closer than they appear". why?
they are showing a wider angle to see more around you, so it is almost "zoomed out"
as wavelength decreases what happens to the energy?
increases
what could be a practical use of the law of reflection?
safety reflectors, optical devices, road signs
garden lights store energy from the sun to light up in the dark. this is an example of what type of light?
phosphorescent
a water bottle appears to be the colour green- what property are we witnessing?
absorption
what are 2 examples of objects that have both convex and concave mirrors?
fun house mirrors and spoons
the number of waves increases as the energy increases. this is known as the what?
frequency