Finding Displacement of Glass Block

AI Thread Summary
The discussion centers on the equation "d=n[1-1/n]" related to glass blocks and the concept of displacement. Participants express confusion about how the distance of an object from the glass block affects the displacement value "d." It is clarified that the equation pertains to the refraction of light through the glass block, where "d" remains constant regardless of the object's distance. The focus is on understanding why the displacement does not vary with distance, emphasizing the principles of optics involved. Overall, the conversation seeks clarity on the relationship between distance, displacement, and the properties of glass blocks in optics.
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Why doesn't it matter how far you keep an object when you are finding the displacement by the glass block
 
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I have absolutely no idea what that means! How far you keep an object from what? "Displacement by the glass block"? How does a glass block displace anything?

Please give the precise problem.
 
I was referring to this equation actually "d=n[1-1/n]"(regarding glass blocks).When considering "d" in this equation why doesn't it matter how far you keep the object from the glass block. Why doesn't "d" change when the object is kept 2 or 5cm or what ever distances away
 
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Can you even tell us what that equation is for, besides just glass blocks?
 

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