Experimental Physics a Course for Freshmen Being a Revision of Alexanders M
Experimental Physics a Course for Freshmen Being a Revision of Alexanders M
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In our eReader you can find the full English version of the book. Read Experimental Physics a Course for Freshmen Being a Revision of Alexanders M 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 Experimental Physics a Course for Freshmen Being a Revision of Alexanders M
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II. Repeat the measurements of I, using rectangles about 4 and 6 cm. Wide. How do you find the tension of the film to vary with its width ?
III. Find the elongation of the spring produced by a small known weight, some fraction of a gramme. How does the elongation vary with the force producing it? Test this.
Calculate the tension in dynes (980 dynes=weight of one gramme) of each of the three films in I and II. As a film has two surfaces, the width of the surface in apparent tension, neglecting t...hat about the wires, will be equal to twice the width of the rectangle. Using this, calculate in dynes the average tension of the soap solution across each cm. Of the surface.
The tension across a unit length of the surface of a liquid is called the surface tension of that liquid.
IV. Clean the beaker and rectangle thoroughly, and repeat the measurements of II with water fresh from the faucet.
As a film can not be formed with pure water, take the reading of the balance when the upper side of the rectangle is just above the surface of the water and again when it breaks away from this surface.
What to read after Experimental Physics a Course for Freshmen Being a Revision of Alexanders M?
You can find similar books in the "Read Also" column, or choose other free books by G K George Kimball Burgess to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
II. Repeat the measurements of I, using rectangles about 4 and 6 cm. Wide. How do you find the tension of the film to vary with its width ?
III. Find the elongation of the spring produced by a small known weight, some fraction of a gramme. How does the elongation vary with the force producing it? Test this.
Calculate the tension in dynes (980 dynes=weight of one gramme) of each of the three films in I and II. As a film has two surfaces, the width of the surface in apparent tension, neglecting t...hat about the wires, will be equal to twice the width of the rectangle. Using this, calculate in dynes the average tension of the soap solution across each cm. Of the surface.
The tension across a unit length of the surface of a liquid is called the surface tension of that liquid.
IV. Clean the beaker and rectangle thoroughly, and repeat the measurements of II with water fresh from the faucet.
As a film can not be formed with pure water, take the reading of the balance when the upper side of the rectangle is just above the surface of the water and again when it breaks away from this surface.
What to read after Experimental Physics a Course for Freshmen Being a Revision of Alexanders M?
You can find similar books in the "Read Also" column, or choose other free books by G K George Kimball Burgess to read onlineMoreLess
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