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Area 2: Particles and Waves

Quick questions on Refraction and spectra: refractive index, TIR and line spectra - SQA Higher 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?
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A medium has a refractive index of 1.331.33. Calculate its critical angle with air. [2 marks]
What is q2?
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State what happens to the speed and wavelength of light as it passes from air into glass. [1 mark]
What is q3?
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Explain why each element produces a unique line spectrum. [2 marks]

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