Problems in Elementary Physics
Problems in Elementary Physics
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In our eReader you can find the full English version of the book. Read Problems in Elementary Physics Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Problems in Elementary Physics
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Draw the straight line 70/'. The intersection of these two rays determines the position of the image of /. In a similar manner locate the image of the other extremity of the object.
Notes. — 1. Except where great accuracy is desired or in very large drawings, the path lABI' may be determined merely by estimating the refraction. It will be noticed that the construc- tion need be applied only to the incident ray. The emergent ray will always pass through the principal focus.
2. The ray lOI' reall...y suffers a slight lateral displacement.
This is negligible if the lens is thin.
3. Remember that in all cases the ray parallel to the aons and the ray passing through the optical center are sufficient to locate the image.
Size op Image and Object.— The triangles IRO and rso (Fig, 55) are similar (mutually equiangular). Therefore moR rs "" OS ' or, the linear dimensions of object and image are to each other as their distances from the lens.
Digitized by Google LIGHT. 137 LVIII. IMAGES.
1. Draw a diagram to show the size and position of the image of an object distant twice the focal length from a lens.
What to read after Problems in Elementary Physics?
You can find similar books in the "Read Also" column, or choose other free books by Pierce, E. Dana (Edwin Dana), B. 1871 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Draw the straight line 70/'. The intersection of these two rays determines the position of the image of /. In a similar manner locate the image of the other extremity of the object.
Notes. — 1. Except where great accuracy is desired or in very large drawings, the path lABI' may be determined merely by estimating the refraction. It will be noticed that the construc- tion need be applied only to the incident ray. The emergent ray will always pass through the principal focus.
2. The ray lOI' reall...y suffers a slight lateral displacement.
This is negligible if the lens is thin.
3. Remember that in all cases the ray parallel to the aons and the ray passing through the optical center are sufficient to locate the image.
Size op Image and Object.— The triangles IRO and rso (Fig, 55) are similar (mutually equiangular). Therefore moR rs "" OS ' or, the linear dimensions of object and image are to each other as their distances from the lens.
Digitized by Google LIGHT. 137 LVIII. IMAGES.
1. Draw a diagram to show the size and position of the image of an object distant twice the focal length from a lens.
What to read after Problems in Elementary Physics?
You can find similar books in the "Read Also" column, or choose other free books by Pierce, E. Dana (Edwin Dana), B. 1871 to read onlineMoreLess
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