This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 Excerpt: ...ratios. III. Reflection of Light. 67. Problem.--To verify the law of reflection of light. Apparatus.--A piece of plane mirror 8 cm. by 10 cm., fastened by rubber bands to a rectangular wooden block, a horn protractor, and three pins. Q Directions.--Tack a sheet it of printing paper on the table. Draw a straight line, ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 Excerpt: ...ratios. III. Reflection of Light. 67. Problem.--To verify the law of reflection of light. Apparatus.--A piece of plane mirror 8 cm. by 10 cm., fastened by rubber bands to a rectangular wooden block, a horn protractor, and three pins. Q Directions.--Tack a sheet it of printing paper on the table. Draw a straight line, MN, upon it (Fig. 57). At a point, 0, in the line, erect a perpendicular, OP. This may be accurately done by the aid of a protractor. Draw the oblique line, OA, and set oa pin, A, in this line and normal to the paper and a second pin at 0. Now place the mirror on the line, MN, with its plane normal to the paper. Set a third pin at B, so that on sighting along BO the image of A is seen directly behind O. Remove the mirror and draw the line BO with a finely pointed pencil. Measure the angles, BOP and AOP (26). Repeat several times, giving the angle of incidence, AOP, different values. Calculate the error of each observation. Remarks.--The alignment should be done close to the paper to reduce errors due to the pins not being set normally to the surface of the paper. Form of Record.--The student to devise one. 68. Problem.--To measure the angle of a triangular glass prism. Apparatus.--A triangular glass prism, preferably about 25 mm. face and 5 cm. long, three straightedges, each about 25 mm. wide and 30 cm. long, and a protractor. Directions.--The polished faces of the prism will act as mirrors, and the edge, EH, of the straightedge, HF (Fig. 58), can be seen reflected in AB by looking along the line, NO, and a similar thing is true of the other edge. AB may be considered as the Fig. 58. if surface of a plane mirror that generates the angle of the prism, BAC, in revolving on A as a pivot from the position, AB, to the position, AC; and the angle, N...
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Add this copy of Physical Laboratory Manual for Use in Schools and to cart. $15.95, very good condition, Sold by Artis Books rated 5.0 out of 5 stars, ships from Calumet, MI, UNITED STATES, published 1908 by D. C. Heath and Company.
Add this copy of Physical Laboratory Manual for Use in Schools and to cart. $65.41, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2016 by Palala Press.
