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1 markReflection

CSEC Physics · 2021 · Paper 2 · Question 3(c)(ii)

Figure 3 shows the path of a light ray from air through a cube of ice, along with two rays showing partial reflection.

Determine the angle of reflection on the face MN.

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Other parts of this question

  1. 3(a)(i)Explain what is meant by a 'transverse wave'.[3 marks]
  2. 3(a)(ii)Give ONE example of a 'transverse wave'.[1 mark]
  3. 3(b)(i)Define the term 'ultrasound'.[2 marks]
  4. 3(b)(ii)State ONE example of the application of ultrasound.[1 mark]
  5. 3(c)(i)Determine the angle of incidence on the face MN.[2 marks]
  6. 3(c)(iii)Determine the angle of refraction at the face MN, given that the refractive index of ice is 1.31.[4 marks]
  7. 3(d)On the diagram in Figure 3, label the critical angle, θ_c, for ice.[1 mark]

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