click below
click below
Normal Size Small Size show me how
7thSo&LightCh3Sec3&4
7th Grade Sound & Light Chapter 3 Sec 3 & 4
Question | Answer |
---|---|
illuminated | if you see it by relected light |
luminous | if an object gives off its own light |
spectroscope | in instrument used to view the different colors of light |
incandescent light | light bulb that glows when a filament inside gets white hot |
tungsten-halogen bulb | bulb with a tungsten filiment and halogent gas |
flourescent light | bulb that contains a gas and is coated on the inside with a powder |
vapor light | bulb that contains neon or argon gas and a small amount of solid sodium or mercury |
neon light | a sealed glass tube that contains neon gas |
amplitude modulation | method of transmitting signals by changing the amplitude of a wave |
frequency modulation | method of transmitting signals by changing the frequency of a wave |