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AQA A- LEVEL PHYSICS 7408/1 paper 1 VERSION 1.0 FINAL QUESTIONS WITH MERGED ANSWERS |JUNE 2023
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The neutral lambda particle Λ0 is a baryon with a strangeness of −1 One possible decay for a Λ0 is 0 0 Λ → π + n 0 1 . 1 Deduce the quark structure of a Λ0. [1 mark] 0 1 . 2 State and explain which interaction is involved in this decay. [2 marks] 0 1 . 3 An antiparticle of the neutral lambda particle decays into a neutral pion and particle X. Identify X. [1 mark] Do not write outside the box3 *03* Turn over ► IB/M/Jun23/7408/1 Do not write outside the 0 1 . 4 The rest energy of a Λ0 is equal to the energy of a photon with a frequency box of 2.69 × 1023 Hz. Determine, in MeV, the rest energy of a Λ0. [1 mark
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AQA A LEVEL PHYSICS
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AQA A LEVEL PHYSICS
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