Waves Flashcards
What are waves
A wave is a movement that transfer energy through matter
What is the wave model of light
Light is pictured as a wave that travels through empty space and transfers energy from one place to another.
The visible spectrum is……
Made up of different colours each having their own wavelength.
Longest to shortest waves
Radio waves-microwaves-infrared waves-visible light-ultraviolet waves-x rays-gamma rays
Radio waves
Can be used for radio and television braid casting and can be used to diagnose illnesses. Longest wavelength and lowest energy and frequency
Microwaves
Can be used in telecommunications or microwaves. Shortest wavelength highest frequency of all radio waves
Infrared waves
Can be used by controlling a TV by remote control or for computers to read CDs. Longer wavelength lower energy and frequency
Ultraviolet waves
Is radiation that your body can use to make vitamin d and to kill bacteria in food, water, and medical supplies. Shorter wavelength higher energy and frequency to light
X Rays
Can be used to photograph bones and teeth. Short wavelength higher energy and frequency than uv rays
Gamma rays
Can be used to kill cancer cells in focused bursts. Highest frequency shortest wavelength
Frequency
Number of vibrations that occur in a given time