Definiton
Electromagnetic wave
A wave that can travel through space or matter and consist of changing electric and magnetic fields
Gamma rays carry large amounts of energy and can __________________.
penetrate materials very easily.
Diffraction
Diffraction is the bending of waves around barriers or though openings.
Radiation
The transfer of energy through matter or space as electromagnetic waves, such as visible light and infrared waves
Ultraviolet light is another type of electromagnetic wave produced by the
Sun
What is interference?
Interference is a wave interaction that occurs when two or more waves overlap.
Electromagnetic spectrum
The entire range of electromagnetic waves
Visible light is the very narrow range of wavelengths and frequencies in the electromagnetic spectrum that humans can ______.
see
Scattering make the __________.
sky blue.
Reflection
The bouncing back of a wave after it strikes a barrier or an object
Microwaves have __________ and higher frequencies
shorter wavelengths
Scientist have yet to discover anything in the universe that travels
faster than light.
Law of Reflection
the law that states that the angle of incidence is equal to the angle of reflection
What is a AM stand for?
Amplitude modulation
What does FM stand for?
Frequency modulation