Physical Laboratory Manual and Notebook, Including More Than 200 Experiments and Exercises, and Especially Adapted to Accompany the Author's Text-Books on Physics

Physical Laboratory Manual and Notebook, Including More Than 200 Experiments and Exercises, and Especially Adapted to Accompany the Author's Text-Books on Physics

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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. 1890 edition. Excerpt: ...above formula, find the value of g. It will be sufficiently accurate to let ir2 = 10. b. What sources of error in your experiment have you not allowed for? Example: Suppose that a pendulum 64TM1 long makes 37 double vibra 372 tions in a minute; then g = 4 Ttwi = 4x10xx64 = 974cm = 9.74m. HEAT. 01. Ap.: board on which are fastened wires of (1) iron, (2) copper, (3) brass, and (4) German silver (Fig. 33); and alcohol or Bunsen burner. a. If you find the wires hot, cool them by thrusting the heated ends into water. Support the board in a horizontal position, and place a lamp flame where the wires meet, so that all the wires will have an equal opportunity to get heated. Place a finger on both the iron and copper wires, near the flame, retreating as the heat becomes unbearable. You will, in time, find that the points which you touch reach a stationary stage; i.e. these points lose heat as fast as they receive it. Find the relative distances of the bearable points of the several wires from their heated ends, and arrange the metals in the order of their conductivity, beginning with the best conductor. The exact relative conductivity of these metals cannot be ascertained by comparing these lengths, as other things beside conductivity enter somewhat into the computation. b. In what way do points along the wires lose heat, so that they ultimately reach the stationary temperature? 92. Ap.: test-tube 6 in. long, and Bunsen burner or alcohol lamp. Fill test-tube about four-fifths full of water, wipe dry the outside, grasp it with the fingers near the bottom, and, inclining it a little, hold it in the flame of the burner, but do not allow the flame to lap over the empty portion of the tube. Continue heating until the water boils, and note whether the water...show more

Product details

  • Paperback | 28 pages
  • 189 x 246 x 2mm | 68g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236520785
  • 9781236520784