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You want to turn on a light in your garage when your car reaches a certain distance from the wall?
Wiki User
∙ 16y ago
You need to set up a pressure switch or a motion sensor switch.
Wiki User
∙ 16y ago
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When light reaches an opaque material resulting in the reflection of certain wavelengths of light by the material is an example of what?
Scattering of Lght . ! (:
Can transparent objects can have color?
Yes, you can see a color when light of a certain wavelength reaches your eye.
Why is a rainbow only seen in the distance?
because the light travels through the water which splits the light and can only be seen from a certain distance away
What occurs at the distance of the Schwarzschild radius from the center of a black hole?
The escape velocity reaches the speed of light at the Schwarzshild radius.
Light reaches areas that are not in direct light by means of?
Light reaches areas that are not in direct light by means of indirect light. The indirect light reaches the areas by reflecting off other surfaces.
How does a light bulb make heat?
The electrical energy input which is meant to turn the lights on is not 100% used (since no machine is 100% efficient.) Most of this energy is wasted as heat energy.If a substance reaches a certain temperature it gives off light and heat. When a filament light bulb reaches that temperature, it gives off both light and heat
How many planets Earth signal reaches?
All of them in our solar system, plus all others within a distance of about 100 to 120 light years from us.
Why is the light that reaches earth 2.5 million year old?
Not all light that reaches the Earth is 2.5 million years old. Light produced from a star that is 2.5 million light years away reaches Earth in 2.5 million years. Light from the sun, for example, is only 8 minutes old. Light that is reflected from the surface of the moon takes about 1.28 seconds to reach Earth.
Why do certain countries have more light than others?
The tilt of Earth's axis gives more light to the areas experiencing "summer". The sunlight that reaches the Earth also depends on the average cloud cover.
Why you cannot travel faster than light?
Because when moving at the speed of light, time stops for you and you can no longer measure speed (distance covered in a certain time).
Liftmaster garage door light problems?
What type of light problem?
When you look at a photograph where does the light reaches your eye originate from?
from the light sorce
