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What color does potassium give off when burned?
Potassium ions will emit visible light when excited, for example during a flame test. We see this as a lilac colour.
What two characteristics are stars classified by?
They are classified by the amount of Light they give off, and their temperature.
Light given off by electric discharge through sodium vapor?
The light given by sodium vapor depends on whether it is a low-pressure or high-pressure lighting system. Low pressure sodium lamps produce a yellow-green light and are less-common today, while high-pressure sodium-halogen produces an orange light. Both types of sodium lighting uses the element sodium, which is heated by a current flow until it becomes luminescent.
Methods on how to conserve energy?
Turn off lights in rooms when not needed. Use smaller wattage light bulbs i.e. 40 watt instead of 60 watt. Use CFD light bulbs Unplug electronics when not in use, such as TV's, stereo's, Toasters, Coffee Pots, etc. They say thise things use from 40-60% of their electricity when sitting idle.
If light bounces off A mineral it has?
If light bounces off a mineral, it has a shiny or reflective surface. This property is known as luster, and minerals can exhibit a range of lusters, including metallic, vitreous (glassy), pearly, or dull. Luster is one of the key characteristics used to identify minerals.
Can some animals give off light?
Yes , some creatures are bio-luminescent such as fireflies and deep sea animals .
What are luminescent objects?
A luminous object is something that emits/gives off light - eg sun, star, light bulb, A non-luminous object is something that doesnt have/give off its own light - eg moon, diamond, wood. Non-luminous objects can only be seen because they reflect light, which is given off by luminous objects.
What are the function of electronic parts of the tv?
Screen-To give off light. Speakers-To give off sound Remote control-To give off messages Remote Sensor-To sense the remote controls messages Cable-To pass through electricity to the television Plug-To receive electricity.
What are the functions of each electronic part of a TV?
Screen-To give off light. Speakers-To give off sound Remote control-To give off messages Remote Sensor-To sense the remote controls messages Cable-To pass through electricity to the television Plug-To receive electricity.
A object that gives off its own light is a what object?
Luminescent. If is a biological process, it is called bioluminescence.
Is the moon a luminescent object?
no the moon isn't luminescent because the sun light shines off the moon and that's why we see it ( why it glows ) and that's why when we have eclipses it alters how the moon looks because depending on how much or how little sun light can get through changes the color.
Does Uranus give off light?
yes it does give off light
What does give off light mean?
The phrase 'give off light' means to have a lot of light.
What happens to the powder when the light was off?
If the powder is luminescent or phosphorescent, it will glow in the dark for a period of time after the light is turned off due to stored light energy being slowly released. If the powder is just regular powder without any special properties, it will remain dark once the light is turned off.
How do you get your sister off the TV?
Give her something in trade for the TV
Does Neptune or its moons give off light?
Planets and Moons only reflect light, they do not 'give off light'.
What light rose give?
A rose does not give off light
