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moon
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∙ 11y ago
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Why is is that you can't see a non-luminous object if there is no luminous object present?
The fact that we see things is based on LIGHT. Light from an object must come to our eyes - whether the object emits light itself, or reflects it from some other light source.
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.
What 3 things must happen to be able to see something?
1. there mush be a source of light 2.the light must strike an object 3.the light must be reflected from the object to your eye
Is there a relationship between the distance of the light source and the object?
The further the light source is from the object, the smaller the shadow formed and vice versa.
Is a rainbow a source of light?
No. In order to see a rainbow in front of you, there must be a source of light behind you, and the rainbow you see will only have the colors of the source in it.
What is an object you can see that is not a light source?
moon
How do you see the book on your tablecan you see the book in absolute darkness?
-- You "see" only when light enters your eye. -- You 'see' an object only when light from that object enters your eye. -- If the object itself doesn't generate light, then light from some other source must illuminate the object, and some of that light must reflect from the object to your eye. -- In absolute darkness, there is no light, and you do not 'see'.
Why is is that you can't see a non-luminous object if there is no luminous object present?
The fact that we see things is based on LIGHT. Light from an object must come to our eyes - whether the object emits light itself, or reflects it from some other light source.
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.
An object that gives out light is it a light source or it is a light energy?
It is a light source.
What is the size of the shadow and the distance of the object from the light source when a shadow is formed?
If you are using a point light source, the shadow's size is the object's size divided by the distance from the light source to the object multiplied by the distance from the light source to the shadow.
How do you see things?
how do we see things?...There must be a light source that strikes or shines on the object and reflects and to reach your eyes..,
When are objects visible to us?
we see things when a light source goes into our eyes or when it reflects off an object
It is produced when a light source is blocked by an object Answer?
[object Object]
What 3 things must happen to be able to see something?
1. there mush be a source of light 2.the light must strike an object 3.the light must be reflected from the object to your eye
Why do things look a different colour in different light?
You see only reflected light. If the light source changes, then the light that bounces off any object (that you see) must also change.
What happen to the shadow if an object is closer to the source of light?
When object is closer to source of light ,the shadow formed of the object is shorter and darker.
