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Refraction

12th grade (Year 13 in England) · 16 questions · Common Core: NGSS.HS-PS4-1, NGSS.HS-PS4-3 · England: GCSE Physics: Waves (refraction), A level Physics: Refraction (extension)

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  1. Question 1

    Light passes from air into water (n = 1.33) with an angle of incidence of 30°. What is the angle of refraction, in degrees? (Give 1 decimal place.)

    Answer°

  2. Question 2

    A ray of light enters a material from air with an angle of incidence of 30°. The angle of refraction is 18°. What is the refractive index of the material? (n = sin i ÷ sin r; give 2 decimal places)

    Answer

  3. Question 3

    What is the critical angle for light going from water (n = 1.33) into air, in degrees? (sin c = 1 ÷ n; give 1 decimal place)

    Answer°

  4. Question 4

    Light passes from air into water (n = 1.33) with an angle of incidence of 40°. What is the angle of refraction, in degrees? (Give 1 decimal place.)

    Answer°

  5. Question 5

    A ray of light enters a material from air with an angle of incidence of 50°. The angle of refraction is 18°. What is the refractive index of the material? (n = sin i ÷ sin r; give 2 decimal places)

    Answer

  6. Question 6

    What is the critical angle for light going from an optical fibre core (n = 1.46) into air, in degrees? (sin c = 1 ÷ n; give 1 decimal place)

    Answer°

  7. Question 7

    Light passes from air into glass (n = 1.5) with an angle of incidence of 50°. What is the angle of refraction, in degrees? (Give 1 decimal place.)

    Answer°

  8. Question 8

    A ray of light enters a material from air with an angle of incidence of 50°. The angle of refraction is 35°. What is the refractive index of the material? (n = sin i ÷ sin r; give 2 decimal places)

    Answer

  9. Question 9

    What is the critical angle for light going from an optical fibre core (n = 1.46) into air, in degrees? (sin c = 1 ÷ n; give 1 decimal place)

    Answer°

  10. Question 10

    Light passes from air into glass (n = 1.5) with an angle of incidence of 60°. What is the angle of refraction, in degrees? (Give 1 decimal place.)

    Answer°

  11. Question 11

    A ray of light enters a material from air with an angle of incidence of 50°. The angle of refraction is 31°. What is the refractive index of the material? (n = sin i ÷ sin r; give 2 decimal places)

    Answer

  12. Question 12

    What is the critical angle for light going from an optical fibre core (n = 1.46) into air, in degrees? (sin c = 1 ÷ n; give 1 decimal place)

    Answer°

  13. Question 13

    Light passes from air into glass (n = 1.5) with an angle of incidence of 20°. What is the angle of refraction, in degrees? (Give 1 decimal place.)

    Answer°

  14. Question 14

    A ray of light enters a material from air with an angle of incidence of 60°. The angle of refraction is 21°. What is the refractive index of the material? (n = sin i ÷ sin r; give 2 decimal places)

    Answer

  15. Question 15

    What is the critical angle for light going from an optical fibre core (n = 1.46) into air, in degrees? (sin c = 1 ÷ n; give 1 decimal place)

    Answer°

  16. Question 16

    Light passes from air into diamond (n = 2.42) with an angle of incidence of 30°. What is the angle of refraction, in degrees? (Give 1 decimal place.)

    Answer°

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  1. 22.1 °
  2. 1.62
  3. 48.8 °
  4. 28.9 °
  5. 2.48
  6. 43.2 °
  7. 30.7 °
  8. 1.34
  9. 43.2 °
  10. 35.3 °
  11. 1.49
  12. 43.2 °
  13. 13.2 °
  14. 2.42
  15. 43.2 °
  16. 11.9 °