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What is the difference between a shadow formed by a point source of light and a extended source?
The shadow formed by the point source of light has a screen blocking it. So it is very precise and only forms an umbra. Whereas the other is not as precise and forms an umbra and a penumbra.
What do you need in order to see a shadow?
We need an source of light, an opaque object blocking the path of light, a screen behind the opaque object.
Why is candle a primary light source?
because its main source that gives it to light is one of the main source of light
Can you explain why the moon is not a source of light?
The moon is not a source of light because it simply reflects the suns light, therefore it is not a direct source of light
Why the sun is the primary source of light?
the sun is the primary source of light
What is an extended source of light?
it is helping somes people
Why is an extended source used in newtons ring experiment?
extende source is required to get nearly parallel rays of light
How can an electric bulb be considered as an extended source of light an as point source of light?
Either, depending on the situation. If you look at it from far away, the light seems to come from a single direction, and can be simplified as a point-source. If you are very close, the light comes from different directions, and such a simplification is no longer correct.
What will happen if a point source is used instead of extended source in Newton's ring experiment?
The rings may formd but the lack of intensity of light,the dark and light rings are not vissiable very well..
What is the sun light source used for?
The sun light source is used for like ships and when we need to see in the house.
What is the difference between a shadow formed by a point source of light and a extended source?
The shadow formed by the point source of light has a screen blocking it. So it is very precise and only forms an umbra. Whereas the other is not as precise and forms an umbra and a penumbra.
How does a shadow appear?
What you need is a light source and an opaque object to block the light.
What is an artificial source of light that does not need electricity?
A lamp
To light up a light bulb we need to connect to a?
To light a light bulb you need to connect to a source of electricity like a battery or an electrical outlet.
Why do you need light in photosynthesis?
We need light in photosynthesis as Light provides the energy source. The process is based on light. The plants use light to convert energy. The same reason that we need air to breath.
Can you suggest a website that informs you on extended auto warranty companies?
If you are in need of information of extended auto warranty companies you should check out the dmv website of for the country you are in. This is the most reliable source.
What are 4 compents of a flash light?
Generically, a power source (usually batteries), a light source (usually a light bulb), a switch to turn it on and off, and wiring of some sort to connect the energy source to the light source. Theoretically this is the minimum you would need to build a "flashlight".
