Physics · 5054 · Paper 2 variant 15054/21/M/J/23
Start0 of 80 marks·0 of 48 parts attempted — start anywhere
- 4(a)(i)Give your answer in Pa.2 marks
- 4(a)(ii)Compare the force exerted by the finger on the drawing pin with the force exerted by the drawing pin on the wooden board.1 mark
- 4(a)(iii)Explain why the drawing pin goes into the wooden board but not into the finger.2 marks
- 4(b)(i)Explain why the water emerges from each hole in a direction at right angles to the surface of the bag.2 marks
- 4(b)(ii)Explain why the water emerges faster from the hole at A than from the hole at B.1 mark
- 5(a)Explain, using ideas about particles, why liquids expand more than solids for the same temperature rise.2 marks
- 5(b)(i)Give your answer in K.1 mark
- 5(b)(ii)Explain, in terms of particles, why energy must be provided even though the temperature stays constant.1 mark
- 5(c)Give your answer in J/(g °C).3 marks
- 6(a)(i)Describe where the display must be positioned relative to the focal length of the lens for the lens to act as a magnifying glass for the image on the display.1 mark
- 6(a)(ii)Explain how a virtual image is formed.1 mark
- 6(b)(i)On Fig. 6.3, draw a ray diagram to show the formation of the virtual image I.3 marks
- 6(b)(ii)Give your answer in cm.1 mark
- 7(a)State one way in which the student’s drawing of the crests in Fig. 7.1 is wrong.1 mark
- 7(b)Complete Fig. 7.2 with at least three crests to show the new diffraction pattern.2 marks
- 7(c)(i)Define the term ‘wavelength’.1 mark
- 7(c)(ii)Give your answer in Hz.2 marks
- 7(c)(iii)Give your answer in cm.1 mark
- 10(a)Describe what happens during radioactive decay.2 marks
- 10(b)The initial count rate is already marked with an x.2 marks
- 10(c)Name the apparatus used to measure the radiation from the sample of wood and describe how it is used to measure the count rate.2 marks
- 10(d)Describe how the count rate from a sample of wood is used to find its age.2 marks
- 11(a)Give the three names in order, from the top of Table 11.1 to the bottom.2 marks
- 11(b)Give your answer in km/s.2 marks
- 11(c)Table 11.1: planet | distance from the Sun / km | orbital period / s | average surface temperature / °C (name not given) | 5.8 × 10⁷ | 7.6 × 10⁶ | 167 Venus | 1.1 × 10⁸ | 1.9 × 10⁷ | 464 Earth | 1.5 × 10⁸ | 3.2 × 10⁷ | 15 Mars | 2.3 × 10⁸ | 5.9 × 10⁷ | −65 (name not given) | 7.8 × 10⁸ | 3.7 × 10⁸ | −110 Saturn | 1.4 × 10⁹ | 9.3 × 10⁸ | −140 (name not given) | 2.9 × 10⁹ | 2.6 × 10⁹ | −195 Neptune | 4.5 × 10⁹ | 5.2 × 10⁹ | −200 Describe the relationship between the distance of a planet from the Sun and its orbital period.1 mark
- 11(d)In your description, include any anomalies.2 marks