Grade10Physicstestreview

LIGHT AND OPTICS

C eternal sleep highest point in a wave
bowlful - lowest point in a wave
Rest commit no wave
Wavelength distance from one place in a wave to the next similar place on the wave; ex. Crest to crest
Amplitude is wave height from the rest position of the wave to the crest or the wave knowledge from the rest position to the trough
Frequency rate of repetition of a wave
-As relative frequency increases, wavelength decreases.
-As frequency decreases, wavelength increases



What is diminish source:
Travels in a straight line (ALWAYS!)
Very abstain C=3.00 x 108 m/s
Is a lawsuit of energy
An electromagnetic radiation that can be copy as a wave

Electromagnetic Spectrum entire range of electromagnetic radiation that extends from the shortest gamma rays to the longest radio waves and includes light. Radio waves atomic number 18 in order of least to most energy.





Radio Waves: TV signals, AM/FM Radio
Microwave: microwave ovens
Infrared light: remote controls, heat lamps
Visible Light: human vision, rainbows
UV Light: black lights, causes tans and sunburns
X-Rays: cancer treatment, medical imaging
Gamma Rays: astronomy

color light and Colours:

White light is actually a combination of all the colors of visible light structured together in our eyes
Each color has its own wavelength and frequency
sanguine light has the longest wavelength and lowest frequency and violet has the shortest wavelength and highest frequency
Visible spectrum: the range of unlike color of light

running(a) Colour system of Light
White light is composed of different colours(wavelengths) of light
immemorial colours red green blue
unoriginal colours magenta yellow cyan
Need three colours minimum to make white

Subtractive Colour Theory of Light
Coloured matter selectively absorbs different colours of wavelengths of light.
Primary colours Cyan, magenta, yellow
Secondary colours Red, green, blue

Light and Matter
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