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PAPER 3 SECTION A

PAPER 3 SECTION A. FORMAT :PAPER 3. 50. 0. 42.2. 5. 0. 4.22. 25. 00. 17.81. (2 d.p. ). 56.1. 5.61. 31.47. 61.3. 66.2. 6.13. 6.62. 37.58. 43.82. Acceptable graph. A. B. C. D. Length of the pendulum. Period of oscillation. Mass of the pendulum bob. .0. .00. .00.

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PAPER 3 SECTION A

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  1. PAPER 3 SECTION A BY PN. TAN SHIM YU

  2. FORMAT :PAPER 3 BY PN. TAN SHIM YU

  3. BY PN. TAN SHIM YU

  4. BY PN. TAN SHIM YU

  5. 50.0 42.2 5.0 4.22 25.00 17.81 (2 d.p.) 56.1 5.61 31.47 BY PN. TAN SHIM YU

  6. 61.3 66.2 6.13 6.62 37.58 43.82 BY PN. TAN SHIM YU

  7. Acceptable graph A B C D BY PN. TAN SHIM YU

  8. Length of the pendulum Period of oscillation Mass of the pendulum bob BY PN. TAN SHIM YU

  9. BY PN. TAN SHIM YU

  10. .0 .00 • .00 BY PN. TAN SHIM YU

  11. BY PN. TAN SHIM YU

  12. more than 1 cm • Unacceptable graph B A C D more than 1 cm BY PN. TAN SHIM YU

  13. more than 0.5 cm Unacceptable graph Rejected graph Rejected graph Rejected graph more than 0.5 cm A B D C BY PN. TAN SHIM YU

  14. BY PN. TAN SHIM YU

  15. Square of period increases linearly with the length of the pendulum. OR T2 increases linearly with l. BY PN. TAN SHIM YU

  16. a b a b Relationship between variables A) a is inversely proportional to b  B) a is directly proportional to b C) a increases linearlywith b A) a is inversely proportional to b B) a is directly proportional to b •  C) a increases linearly with b BY PN. TAN SHIM YU

  17. a b a 1/b Relationship between variables A) a is inversely proportional to b B) a is directly proportional to b •  • C) a increases linearly with b •  A) a is inversely proportional to b •  B) a is directly proportional to 1/b • C) aincreases linearly with 1/b BY PN. TAN SHIM YU

  18. Relationship between variables a A) a is inversely proportional to b B) a is directly proportional to b C) a is linearly increasing with b a increases with b b a  A) a is inversely proportional to 1/b B) a is directly proportional to 1/b C) a is linearly increasing with 1/b 1/b BY PN. TAN SHIM YU

  19. Question 2 Acceleration of the trolley is directly proportional to height of the inclined plane BY PN. TAN SHIM YU

  20.  line •  extrapolation •  • 1.5ms-2 •  • (1.25-0) ms-2 • 0.25 m • = 5.00 s-2 •  values/coordinates •  with unit BY PN. TAN SHIM YU

  21. (c) (b) BY PN. TAN SHIM YU

  22. (d) 1) Ensure the trolley moves down the incline without knocking the sides so that motion is not blocked. 2) Ensure the tape runs freely through the ticker timer without being impeded 3) Reduce the friction in the wheels by using oil so that the trolley can move smoothly 4) Repeat the expt so that a mean reading can be calculated to increase accuracy 5) When measuring height make sure the eyes is perpendicular to the ruler to avoid parallax error. * statement without how is not accepted e.g. Make sure runway is smooth BY PN. TAN SHIM YU

  23. Question 3 (i) Temperature (ii) Length of the air column (iii) Pressure of the trapped air/ diameter of the capillary tube (b) (i) The eye must be at a position which is level with the top section of the meniscus of the air column (c) BY PN. TAN SHIM YU

  24. l increases linearly with Ө The capillary tube and ruler must be parallel/ The trapped air column must be fully immersed in water. BY PN. TAN SHIM YU

  25. BY PN. TAN SHIM YU

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