Refraction – Practice

Questions:

1) Compare the two examples below by completing the diagrams by drawing in a series of wavefronts and a ray to represent the refracted waves:

a)


b)

 

2) Compare the two examples below by completing the diagrams by drawing in a series of wavefronts and a ray to represent the incident waves:

a)


b)

 

3) A ray of light travelling through air moves into a liquid medium and its speed decreases from c to 2.5 × 108 m/s. Calculate the absolute refractive index of the liquid:

4The diagram below represents three medium that a light wave passes through. Sketch the approximate path of the light wave as it travels across the three boundaries:

 

 

Quick Answers:

1) See video

2) See video

3) n = 1.2

4) See video

Worked Answers:

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