Physics · 0625 · Paper 30625/03/SP/23
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- 2(a)Calculate the mass of the metal.2 marks
- 2(b)(i)Describe how to determine the volume of the piece of metal, using the equipment in Fig. 2.1.4 marks
- 2(b)(ii)Explain why this procedure is not suitable for finding the volume of a piece of low-density wood that is a similar shape and size to the piece of metal.1 mark
- 2(b)(iii)Calculate the density of this piece of metal, in g/cm³.3 marks
- 4(a)Name the energy source used by each method: the energy source in Fig. 4.1, and the energy source in Fig. 4.2.2 marks
- 4(b)(i)State two advantages of using the renewable sources in either Fig. 4.1 or Fig. 4.2 for generating electrical power compared to using a coal-fired power station.2 marks
- 4(b)(ii)State one disadvantage of using the renewable sources in either Fig. 4.1 or Fig. 4.2 for generating electrical power compared to using a coal-fired power station.1 mark
- 7(a)Label the distance W.1 mark
- 7(b)Determine the amplitude of the wave, in cm.1 mark
- 7(c)Calculate the frequency of the wave, in Hz.2 marks
- 7(d)Explain how the motion of the ball shows that the water wave is transverse.1 mark
- 7(e)State another example of a transverse wave (other than a water wave).1 mark
- 9(a)(i)State the name of this part.1 mark
- 9(a)(ii)State the value for the speed of infrared waves in a vacuum.1 mark
- 9(a)(iii)State one example.1 mark
- 9(b)(i)Describe one medical use for X-rays and one medical use for γ-rays.2 marks
- 9(b)(ii)State two reasons why γ-rays are dangerous to living things.2 marks