1. A child is playing on a swing. The graph shows how the displacement of the child varies with time. 2 1 Time/ s 0 –1 –2 Displacement / m The maximum velocity, in m…

Centre No. Candidate No. Paper Reference(s) Paper Reference Surname Initial(s) 4 3 2 5 4325/2H 2 H Signature Examiner’s use only London Examinations IGCSE Biology Paper…

Centre No. Candidate No. Paper Reference(s) Surname Paper Reference Initial(s) 6 6 6 4 6664/01 0 1 Signature Examiner’s use only Edexcel GCE Core Mathematics C2 Advanced…

1. A student is asked: “What is meant by background radiation?” She writes: “It is the radiation produced by the rocks in the ground.” This answer is A B C D correct…

1. A valid set of units for specific heat capacity is A B C D kg J–1 K–1 kg J K–1 kg–1 J K–1 kg J–1 K (Total 1 mark) 2. An ideal gas is contained in a volume…

1. A top quark has a mass of 171 A B C D 3 × 10–31 3 × 10–28 3 × 10–25 3 × 10–19 GeV c2 . Its mass in kilograms is about (Total 1 mark) 2. A π+ pion is composed…

Surname Centre No. Candidate No. Paper Reference(s) Initial(s) Paper Reference Signature 6 6 6 6 6666/01 0 1 Examiner’s use only Edexcel GCE Core Mathematics C4 Advanced…