Intermediate physics / by W. Watson.

  • Watson, W. (William), 1868-1919.
Date:
1912
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Licence: In copyright

Credit: Intermediate physics / by W. Watson. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    BOOK IV CHAPTER I 3. 3 ft. X 3 ft. 5. 5-13 era. 7. 2'5 cm. from mirror. CHAPTER II 1. 30°. 2. 1-41. 4. -75 cm. 5. 1-41. 8. 20-98 cm. 9. 41-67 cm. lens at 50 cm. from object. 11. Inverted and at 33-33 cm. from lens. 13. 20 in. beyond concave lens. CHAPTER III AND IV 2. 45'46 and 4*54 cm. 5. 1-745 cm. in diameter. 6. Concave, focal length 20 in., 6 67 in. CHAPTER V 1. 1*8 X 10^ miles/sec. 2. 40 hours + 13-86 seconds. 6. 6 cm. 7. 1-2 mm. CHAPTER VI 2. 83 cm. 6. 19-89. BOOK V CHAPTERS I AND II 2. 22-5 ergs. 3. Moment 800 C.G.S. with S. pole towards E. 4. Field at B: field at A : : 1-41 : 1. 5. 133'3 C.G.S. 6. '18 C.G.S. 7. -025 C.G.S. The force . on the magnet is a couple of 8'66 dynes-cm. and a force of -5 dyne parallel to the length of the magnet. 11. At N. point 2H in northerly direction ; at W. point ij2.H in NE. direction ; at S. point zero ; at W. point >J2.H in NW. direction. CHAPTER III 2. 127'4 C.G.S. CHAPTER IV 1. + and -2'97 electrostatic units. 2. 10 cm. 500 ergs. 4. 6'4 ergs, 5. (a) CJCj, (b) CJC2. 6. 6'67 and 9-33 units. 11. 16 electrostatic units. CHAPTER V 1. 999,990 ohms. 2. 1-865 amperes, 37-3 volts. 3. So as to include a fifth of the total length of the wire. 4. -378 and 756 amperes ; 1-43 x lO'^ and 2-86 x 10' ergs. 5. 56°-2. 6. 15:24. 8. 39-27 cm. 9. '238 ohm. 10. 1764. CHAPTER VI 1. -267 ampere. 3. 4*19 C.G.S. 4. 10 cm. 8. 160 dynes. CHAPTER VII 2. 3-18 revolutions per second. 7. 50,000 cm. 12. 1760 watts, -88. 13. + 354 amperes. CHAPTER VIII 2. H='093, 0=1-48, Cu = 2'96 grams. 3. i ohm. 4. 12 days, 9 hours, 50 minutes, 4 seconds.