Science Q3 Flashcards
Computation of Swave
Swave = λ f
Computation of f
f = Swave/λ
Computation of λ
λ = Swave/f
Light coming from the sun, lighting, and organisms that emit their own light.
Natural light source
Light from light bulbs and Flames from a candle.
Artificial light source
A phenomenon when two waves meet in the same medium
Interface
the ability of light to bounce back
Reflection
– the bending of the light when it encounters obstacles or passes through a small opening
Diffraction
light passes through
Transparent
materials that only allow part of the light to pass through them.
Transluscent
material totally that blocks the light
Opaque
Characteristics of light
Speed
intensity
wavelength
frequency
average kinetic energy present in a system
Thermal Energy
energy that is transferred from one body to another as the result of difference in temperature.
Heat
Energy in motion
Kinetic energy
measure of hotness or coldness of an object
Temperature
An instrument that measures temperature
Thermometer
The process by which heat occurs through a medium from one point to another.
Conduction
That allow electricity and heat to flow through it
Conductor
that reduces or prevents transmission of heat or sound or electricity
Insulator
is the transfer of heat through the actual physical movement of fluid
Convection
the transfer of thermal energy by electromagnetic waves.
Radiation