AQA: A Level Physics: January: 2013: Unit 2: Worked Solutions

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Worked Solutions to AQA: January 2013: Unit 2 on Mechanics, Materials and Waves. Questions on Energy, Motion, SUVAT, Moments, Materials, Hooke's Law, Young Modulus, Refraction, Total Internal Reflection, Stationary Waves and Interference.
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q5b i think you needed to draw a line of partial reflection for the 2nd mark

jeusjohn
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Hello, just a quick question. For question 2bi wouldn't we not use cos theta instead of sin theta as we are turning through the angle when acting down on the slope .

saraahmed