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3.3 Waves
Quick questions on Refraction: refractive index, Snell's law and total internal reflection - AQA A-Level Physics
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Define the refractive index of a substance. [1 mark]
What is q2?Show answer
Explain why light is totally internally reflected in an optical fibre. [3 marks]
What is q3?Show answer
State which way a ray bends when it enters a denser medium. [1 mark]
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