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They can help identify colloids, a type of mixture in which one substance is dispersed evenly throughout another in the form of small particles, like milk, smoke, fog, etc. When you shine a bright light through a colloid, the light will scatter (like when you shine a flashlight through smoke), a phenomenon known as the Tyndall effect.
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Why do flashlights exist?
Flashlights exist so you can have a portable light source. You can use flashlights where there are no other types of lights. You can use them in emergencies, and you can use them in places where other types of lights would be awkward or hazardous.
When do people use flashlights?
People use flashlights when they are in need of a light source. If the power goes out at night, the use of a flashlight is essential to get around the house. Flashlights can also be used in emergency situations outside of the house.
Do they use xenon for light in flashlights?
They can.
What is the best bulb for bright flashlights?
LED bulbs tend to be very bright and use far less power to operate making them perfect for flashlights. Halogen bulbs are also very bright and used in flashlights.
What did people use before flashlights?
Candles, torches etc
What do people use flashlights for?
A small, portable light source.
What items use D Batteries?
Flashlights, larger toys
Is soap a homogeneous or a heterogeneous mixture?
Solid soap = Homogeneous Liquid soap = Must use Tyndall Effect to determine
What should you do in a emergency with no electrical power?
Answer this question...use candles lanterns flashlights
Are led flashlights effective?
LED flashlights are effective. They use powerful white-light-emitting diodes, and are more efficient than incandescent lamps, in terms of battery usage.
Why did people need a flashlight in the old days?
people didn't use flashlights in the old days. they needed lamps and other means of light, but flashlights didn't exist yet.
What can you use you to provide light?
you could use tons of things to provide light, like flashlights and lamps
