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1. The problem statement, all variables and given/known data
if the line of sight,object,image are collinear,we can apply the equation
d/D = n(medium containing observer) / n(medium containing object)
Where d = distance between image and boundary(apparent height/depth)
D = distance between object and boundary.(real height/depth)
If the line of sight is not perpendicular to the boundary of the media,the image I is along the line of sight.However the object O is not on the same line.
The equation d/D = n(medium containing observer) / n(medium containing object) is no longer correct.
In this situation,how can we find the exact position of I by algebraic method?
2. Relevant equations
d/D = n(medium containing observer) / n(medium containing object)
3. The attempt at a solution
please see the attachment,the words in blue is done by myself.
PS.the angle between line of sight and the horizontal = 180  90  33.7 = 56.3 degree
I don't think the real height = 4.38tan56.3 = 6.57m,as it is not necessary that I is perpendicular to Q(the object).
I think we have to know the horizontal and vertical distance between I and B in order to get the answer,is there any idea?
thx a lot
if the line of sight,object,image are collinear,we can apply the equation
d/D = n(medium containing observer) / n(medium containing object)
Where d = distance between image and boundary(apparent height/depth)
D = distance between object and boundary.(real height/depth)
If the line of sight is not perpendicular to the boundary of the media,the image I is along the line of sight.However the object O is not on the same line.
The equation d/D = n(medium containing observer) / n(medium containing object) is no longer correct.
In this situation,how can we find the exact position of I by algebraic method?
2. Relevant equations
d/D = n(medium containing observer) / n(medium containing object)
3. The attempt at a solution
please see the attachment,the words in blue is done by myself.
PS.the angle between line of sight and the horizontal = 180  90  33.7 = 56.3 degree
I don't think the real height = 4.38tan56.3 = 6.57m,as it is not necessary that I is perpendicular to Q(the object).
I think we have to know the horizontal and vertical distance between I and B in order to get the answer,is there any idea?
thx a lot
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