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Light
An electromagnetic radiation
energy transfer
It represent __________ from the source to the observer.
phenomena
Many types of __________ depend on the properties of light such as: TV or computer monitor, Blue sky, images in mirrors, eyeglasses, contact lenses, and rainbow.
particle & wave
Light has characteristics of both _____ and as a _____.
Light as a wave
Defined by its properties of wavelength, frequency, and speed
electric and magnetic fields
Light waves are produced by alternating __________ that oscillate perpendicular to each other and to the direction of the wave's travel.
Light as a Particle
Defined by its behavior as photons, which are elementary particles that carry a fixed amount of energy and momentum.
energy and momentum
Defined by its behavior as photons, which are elementary particles that carry a fixed amount of __________.
Ray Optics
Also known as geometrical optics, is a branch of optics that describes light propagation in terms of rays.