AQA: A Level Physics: June 2011: Unit 2: Worked Solutions

Worked solutions for AQA: June 2011: Unit 2 on Motion, Moments / Couples, Energy, Materials, Interference and Refraction / Total Internal Reflection.

[MrMas]

I have a question about 7d. You said maxima would be wider with white light, but white light has an average wavelength that is less than red light, so surely the maxima would be less wide? Please help me haha I'm so confused