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Grade 10 Academic Science – Optics (Physics)

Grade 10 Academic Science – Optics (Physics). Experiment - Light through a Transparent Media and Different Media. Science Perspectives 10 Section 12.2 Pages 520-521. Science Perspectives 10 Section 12.3 Pages 522-523.

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Grade 10 Academic Science – Optics (Physics)

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  1. Grade 10 Academic Science – Optics (Physics)

  2. Experiment - Light through a Transparent Media and Different Media

  3. Science Perspectives 10 Section 12.2 Pages 520-521

  4. Science Perspectives 10 Section 12.3 Pages 522-523

  5. You know that light travels in a straight line. What is the path of light when it travels between transparent media?

  6. TRANSPARENT – Transmitting light so that objects on the other side are clearly visible

  7. PURPOSE

  8. To observe the path of light as it travels from one transparent medium to another.

  9. To explore refraction

  10. MATERIALS

  11. Polar graph paper

  12. Acrylic semi-circle

  13. Water

  14. 125 mL beaker or larger

  15. Ray box with one slit for light to leave

  16. Vegetable oil

  17. Semi-circular plastic dish

  18. METHODS

  19. In your notebook, recreate the following two tables

  20. Table 1. Refraction in an Acrylic Block

  21. Angle of Incidence in Air

  22. (i) Angle of Refracted Ray in Acrylic Block

  23. (R) i / R sin i sin R sin i / sin R

  24. 0O

  25. 10O

  26. 20O

  27. 30O

  28. 40O

  29. 50O

  30. 60O

  31. Table 2. Refraction in Different Media

  32. Type of Angle Size of the Angle

  33. Angle of Incidence

  34. 0O 10O 20O 30O 40O 50O 60O

  35. Angle of Refraction in acrylic semi-circle

  36. Angle of Refraction in Air

  37. Angle of Refraction in water

  38. Angle of Refraction in Vegetable Oil

  39. READ THE INSTRUCTIONS on Section 12.2 Page 520-521 AND Section 12.3 Page 522-523

  40. Draw a vertical NORMAL line of the polar graph paper

  41. Position the acrylic semi-circle so it is aligned with the centre of the polar graph paper and its midpoint is at the origin.

  42. Position the ray box so that a light ray strikes the flat surface of the acrylic semi-circle in the centre AND at the angle of 0O (i.e., the Incident Ray runs along the Normal).

  43. Trace the path of the light ray on the graph paper as it enters and leaves the acrylic semi-circle

  44. Record the Angle of Refraction on your table

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