AQA · GCSE · Physics

Waves

03.1 · 4 marks Measuring ripple-tank frequency and wavelength Describe how the frequency and wavelength of the water waves in the ripple tank can be measured accurately. 05.1 · 2 marks X-rays produce images of the bones inside the body Explain why X-rays can be used to produce images of the bones inside the body.

AQA · GCSE · Physics

Forces

01.1 · 1 mark Meaning of elastically deformed What is meant by ‘elastically deformed’? Tick (✓) one box. 02.1 · 1 mark Meaning of vector quantity Velocity and acceleration are both vector quantities. What is a vector quantity? Tick (✓) one box. 02.5 · 1 mark Acceleration, mass and resultant force equation Write down the equation which links acceleration ($a$), mass ($m$) and resultant force ($F$). 02.6 · 3 marks Mass of the player calculation The player accelerates at 25 m/s$^2$ when a resultant force of 1800 N acts on her. Calculate the mass of the player. 06.1 · 5 marks Changing acceleration at maximum engine power An aeroplane accelerates from a low speed to a high speed with the engines at maximum power. Explain why the acceleration is not... 04.1 · 2 marks Meaning of a vector quantity and a scalar quantity Velocity is a vector quantity, speed is a scalar quantity. Describe what is meant by a vector quantity and a scalar quantity. 06.2 · 2 marks Road safety at a reduced speed Explain one other advantage of a reduced speed limit. 07.1 · 2 marks Balance reading and force on a wire When the switch was closed the reading on the top pan balance increased. Explain why the increased reading showed that there was... 04.3 · 1 mark Mass m, momentum p and velocity v equation Write down the equation that links mass $(m)$, momentum $(p)$ and velocity $(v)$. 03.1 · 1 mark Meaning of elastic behaviour The springs behave elastically when a force is applied. What is meant by elastic behaviour? Tick (✓) one box. 01.4 · 3 marks Maximum force the magnet can exert calculation Calculate the maximum force the magnet can exert.

AQA · GCSE · Physics

Energy

04.4 · 2 marks Constant water temperature during heating The temperature of the water reaches 42 °C. The temperature then stays constant even though the fire continues to burn. Explain... 07.1 · 3 marks Kangaroo speed and jump height Explain why a kangaroo can jump higher as its speed increases. 06.4 · 3 marks Vehicle mass and stopping distance The driver delivers all the packages. The empty van has a shorter stopping distance than the full van when driven at the same...

AQA · GCSE · Physics

Electricity

01.1 · 1 mark Correcting the wires in a plug The plug is not wired correctly. What should be done to connect the wires in the plug correctly? 01.6 · 2 marks Earth wire and metal-case safety The earth wire is now connected to the metal case of the washing machine. Explain why it would now be safe for a person to touch... 03.3 · 2 marks Wire length and resistance Describe the relationship between the length of the wire and the resistance of the wire. 01.5 · 2 marks Earth wire and metal-case safety The earth wire is not connected to the metal case of the washing machine. Explain why it would not be safe for a person to touch... 03.1 · 3 marks Controlling temperature in a wire-resistance practical Explain why the student needed to adjust the variable resistor each time she changed the length of the wire.

AQA · GCSE · Physics

Atomic structure

06.3 · 2 marks Dice type and simulated half-life The half-life represented by rolling eight-sided dice is likely to be different from the half-life represented by rolling...

AQA · GCSE · Physics

Magnetism and electromagnetism

01.1 · 2 marks Testing metal samples with a magnet A student placed a magnet close to each metal sample. Describe what happened. 01.2 · 2 marks Separating an unreacted solid from a mixture The paper clip in Figure 2 is not a permanent magnet. Explain what would happen if the paper clip was removed and brought close...