AQA · GCSE · Physics

Electricity

02.3 · 1 mark Current I, resistance R and potential difference V equation Write down the equation that links current $(I)$, resistance $(R)$ and potential difference $(V)$. 01.3 · 1 mark Transformers and transmission-cable network What is this network called? 05.1 · 2 marks Changing an LED circuit The student closed the switch. The voltmeter gave a reading of 5.0 V The ammeter gave a reading of 0 mA The LED did not emit any... 01.4 · 3 marks Step-up transformers and network efficiency Explain how using step-up transformers makes the network efficient.

AQA · GCSE · Physics

Forces

02.4 · 1 mark Acceleration, mass and resultant force equation Write down the equation that links acceleration ($a$), mass ($m$) and resultant force ($F$). 02.5 · 3 marks Mass of the trolley calculation A resultant force of 0.42 N acts on a different trolley. The acceleration of the trolley is 1.2 m/s². Calculate the mass of the... 05.3 · 2 marks Meaning of inelastically deformed Describe what is meant by ‘inelastically deformed’. 06.2 · 2 marks Velocity of a freely falling stone Velocity is a vector. Describe the velocity of the stone as it falls through the air. Assume there is no air resistance. 07.3 · 2 marks Risks of large vehicle decelerations If the black box records large decelerations, it identifies that the driving may be dangerous. Explain why large decelerations... 07.1 · 3 marks Deceleration of the car calculation Determine the deceleration of the car. Give the unit.

AQA · GCSE · Physics

Waves

01.3 · 1 mark Light changing direction in glass Light changes direction when it enters the glass prism. What name is given to this process? 03.2 · 2 marks Value X in Table 2 calculation Calculate value X in Table 2. 03.4 · 2 marks Longitudinal waves and transverse waves Describe the difference between longitudinal waves and transverse waves. 01.4 · 1 mark Frequency f, wavelength and wave speed v equation Write down the equation that links frequency $(f)$, wavelength $(\lambda)$ and wave speed $(v)$. 01.3 · 1 mark Frequency, wavelength and wave speed equation Write down the equation that links frequency ($f$), wavelength ($\lambda$) and wave speed ($v$).

AQA · GCSE · Physics

Magnetism and electromagnetism

04.5 · 2 marks Compass evidence for Earth's magnetic field Figure 7 shows a magnetic compass used by walkers. Explain how a magnetic compass provides evidence that the Earth has a...

AQA · GCSE · Physics

Energy

05.4 · 3 marks Spring extension from elastic energy Calculate the maximum extension of the spring before the spring becomes inelastically deformed. spring constant = 225 N/m Use... 02.3 · 1 mark Energy transferred E, power P and time t equation Write down the equation linking energy transferred $(E)$, power $(P)$ and time $(t)$. 02.1 · 6 marks Measuring specific heat capacity Describe how the student could use the equipment shown in Figure 2 to determine the specific heat capacity of vegetable oil. 03.2 · 5 marks Spring extension from elastic energy When the child is at position A, each trampoline spring is stretched by 0.056 m The elastic potential energy of each spring is 4...

AQA · GCSE · Physics

Particle model of matter

04.3 · 1 mark Temperature-pressure graph relationship Figure 7 shows a sketch graph of the results. The student said that as the temperature increases the pressure increases. Give a... 04.5 · 3 marks Steam expansion, particles and density If the pressure inside the pressure cooker becomes greater than 200 kPa then some of the steam is released through the safety... 04.2 · 2 marks Uncertainty from repeated pressure readings The student took four pressure readings for each temperature. Table 1 shows the pressure readings when the temperature was 50.0...

AQA · GCSE · Physics

Atomic structure

06.3 · 4 marks Identifying radiation using absorbing barriers Explain what nuclear radiation was emitted by the source.