作业帮4题科学问题 (物体和光) 4 Physics problems
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4题科学问题 (物体和光) 4 Physics problems
Objects and Light 物体和光
1.Suppose two people stand in different locations and act as observers.They each report to you that they see a particular object and they each give you precise information about their line of sight.(For example “25° South of East” or a similar statement.) How can you use this information about the location and line of sight from each observer to find the location of the object?
2.We immediately recognize things as being to the right or left of other things.And yet we do not actually move our head from one object to the other,nor do we touch the two objects to confirm their locations with our tactile senses.What we do is to turn our eyes/head to receive light that approaches from a different angle.In your ray diagram show what property or feature of the rays from different objects helps us determine the right left ordering of those objects in our field of view.
3.The most obvious method of judging depth is to note that one object blocks the light from another.Show how this works with a ray diagram.Make it explicitly clear how we know which object is ahead and which is behind.
4.Light diverges from object points.When the object is close to us,the angle of divergence is greater than when the object is further away.Assume that the eye-brain system is very sensitive to the angle your eyes are directed.From this,explain how binocular vision allows us to judge depth.
Objects and Light 物体和光
1.Suppose two people stand in different locations and act as observers.They each report to you that they see a particular object and they each give you precise information about their line of sight.(For example “25° South of East” or a similar statement.) How can you use this information about the location and line of sight from each observer to find the location of the object?
2.We immediately recognize things as being to the right or left of other things.And yet we do not actually move our head from one object to the other,nor do we touch the two objects to confirm their locations with our tactile senses.What we do is to turn our eyes/head to receive light that approaches from a different angle.In your ray diagram show what property or feature of the rays from different objects helps us determine the right left ordering of those objects in our field of view.
3.The most obvious method of judging depth is to note that one object blocks the light from another.Show how this works with a ray diagram.Make it explicitly clear how we know which object is ahead and which is behind.
4.Light diverges from object points.When the object is close to us,the angle of divergence is greater than when the object is further away.Assume that the eye-brain system is very sensitive to the angle your eyes are directed.From this,explain how binocular vision allows us to judge depth.
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