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Why does a yellow pencil appear yellow?
because a yellow pencil can only reflect yellow light and that yellow light is what you see from a yellow pencil.
If a paper and pencil lead is connected to a light bulb circuit which one will turn on the light bulb?
The Pencil lead
Is a traffic light a light reflector or light source?
light source
What is the conclusion of broken pencil?
-the pencil looks broken & bent in water. - the pencil looks bent, because of the refraction of light, that causes that to happen. -pencil looks really thick, in water.
Is a flame a source of light?
The flame of a candle is a source of light.
Is a light bulb older or a pencil?
pencil is older.
Why does a yellow pencil appear yellow?
because a yellow pencil can only reflect yellow light and that yellow light is what you see from a yellow pencil.
Can you light a light bulb with pencil lead?
No.
Is the wood of a pencil renewable or non-renewable?
The wood of a pencil is a renewable source.
If a paper and pencil lead is connected to a light bulb circuit which one will turn on the light bulb?
The Pencil lead
How do the light waves coming from the pencil change speeds?
when the pencil enters the water
Where do the light waves change speed from a pencil?
ACTUALLY ! Its when the pencil enters the water .
What effect would a pencil have on the brightness of a bulb?
A pencil has nothing to do with the brightness of a light bulb.
Why are days shorter in winter then summer?
The Earth is tilted at (I think) a 23 degree angle. During winter, the side of the Earth you are on is tilted away from the Sun, so there is less daylight on that half of the planet.
Why did the light bulb change brightness along the pencil?
because the pencil take the a litte enrgy.
What happens when a ray of light falls on a pencil kept in the tumbler filled with water?
Nothing happens when the ray of light hits the pencil. But it bends when it crosses the boundary between the air and the water. Your brain ... thinking that the end of the pencil is in the same direction that the ray of light is coming from ... thinks that the part of the pencil under the water is in a place where it's not, so the pencil appears bent at the water line.
Is a traffic light a light reflector or light source?
light source
