Light and Colour Summative Flashcards
What is the electromagnetic spectrum?
The electromagnetic spectrum is a spectrum that contains all forms of radiation.
Which part of the electromagnetic spectrum do we see?
The visible light part
How do the different parts of the spectrum vary from one another?
They vary in wavelength and frequency
What type of wave does light travel in?
Transverse wave
Define the unit of frequency
The number of waves that pass In a certain amount of time. and the unit Is hertz.
Unit of wavelength
The distance between two cress. The unit is metres.
Define opaque
When no light is transmitted
Define translucent
When some light is transmitted
Define transparent
When all light is transmitted
What three things might happen to light when it strikes an object?
Reflect, transmit, absorb
Law of reflection
The angle of incidence will always equal the angle of reflection.
