Is the Radius of Curvature of a Concave Mirror Always Positive?

AI Thread Summary
The discussion centers on the radius of curvature of a concave mirror and whether it is always positive. A participant mentions an attachment containing their question and solution, which is in a zipped format. Another user suggests that using simpler formats like Paint or a text editor would be more accessible than a zipped Excel file. The conversation highlights the importance of clarity and ease of sharing information in technical discussions. Overall, the topic emphasizes the need for straightforward communication in physics-related inquiries.
Sanosuke Sagara
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I have my question,doubt and solution in the attachment that followed.Thanks for anybody that spend some time on this question.Sorry to say that the file format is *.zip .
 

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Sanosuke Sagara said:
I have my question,doubt and solution in the attachment that followed.Thanks for anybody that spend some time on this question.Sorry to say that the file format is *.zip .

The object distance of a real object from a lens is always positive.

By the way, is not it easier for you to draw in Paint, for example, and write in a text editor? this zipped xls file is a bit strange.

ehild
 
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