Difference between diffraction and prism

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Homework Help Overview

The discussion revolves around distinguishing the light that has passed through a prism from that which has passed through a diffraction grating, specifically when only the resultant white light is visible to the observer.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the clarity of the original question, questioning the phrasing and intent behind "make a difference" and "the place where the white light lands." There is a suggestion to consider the differences in the spectra produced by a prism versus a grating.

Discussion Status

The discussion is ongoing, with participants seeking clarification on the question's wording and intent. Some guidance has been offered regarding the nature of light behavior through prisms and gratings, but there is no explicit consensus on how to approach the problem.

Contextual Notes

There is mention of translation issues affecting the clarity of the question. Participants are also reflecting on their experiences with similar questions in academic settings, which may influence their interpretations.

splinn
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Homework Statement



How to make difference between the light that has traveled through a prism and the light that has traveled through a diffraction grating when only place that is visible to the viewer is the place where the white light lands?


The Attempt at a Solution



Sorry, but i have no idea how to make a difference
 
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Welcome to PF.
Is that the exact wording of the question? The phrase "make a difference" is not at all clear. Nor is "the place where the white light lands". Is it a translation from another language?

If I had to answer it as it stands I would say that the prism bends all the light so "the place where the white light lands" would be black. The grating passes white light straight through to the bright central maximum, so "the place where the white light lands" would be white.
 
I guess splinn is referring to the differences in the white light spectra produced by a prism and a grating.splinn,I suggest that firstly you make an attempt by doing some research and then report back here if you need extra help.
 
Yes it is translated from another language. As i come to think about it, it's kind of confusing to myself too what exactly the asker ment by this question. In my Physics exam professor gives me a random subject and I have to demonstrate my skills to discuss physically correct on this subject. One of those questions is this.

Delphi51-s answer might be correct.

Dadface, suppose the professor ment that i have to write what is different of the white light from prism and from grating by only seeing that white part of light. Is there a way to make a difference?
 
Splinn,you have yet to show us any attempt at a solution.What do you know so far?
 

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