Edexcel GCSE Physics Paper 2 Foundation June 2023 question paper 1PH0/2F

This question is about static electricity.

Figure 1 shows a plastic comb picking up small pieces of paper.

The comb picks up the paper because the comb has extra

Figure 2 shows a person touching a charged dome.

The person’s hair is standing on end.

Explain how electric charge causes the hair to spread out, as shown in Figure 2.

The person lets go of the charged dome.

The charge on the person’s hair is 10 μ C.

The charge on the dome is 25 μ C.

Calculate the percentage of charge on the hair compared with on the dome.

Use the equation

percentage of charge on the hair =_........

Draw one straight line from each example of electrostatic charges in action to their descriptions.

electrostatic charges in action description

Figure 3 shows the parts in an electrical circuit.

Draw the circuit diagram of this electrical circuit in the space provided.

The battery symbol and some of the connecting wires have been drawn for you.

Figure 4 shows the current flowing into and out of point P in part of a circuit.

Which of these is the value of current I ?

There is a current of 0.46 A in a lamp.

Calculate the total charge that flows through the lamp in 30 seconds.

Use the equation

charge = currenttime in seconds

The voltage across the lamp is 6.0 V.

The current in the lamp is 0.46 A.

Calculate the energy transferred to the lamp in one minute.

Use the equation

energy transferred = currentvoltagetime in seconds

energy transferred =_........

Figure 5 shows the apparatus used to investigate the melting of some crushed ice.

Suggest one safety precaution needed when using the electrical heater.

Suggest one way of heating the crushed ice without using electricity.

Figure 6 shows a graph produced from the data collected by the data logger in Figure 5.

Labels P, Q, R and S have been added.

At the start, P, the beaker contains crushed ice at –8C.

Describe what happens to the crushed ice during the next 15 minutes.

You may use labels P, Q, R and S to help your answer.

Figure 7 shows bubbles of air that a diver breathes out.

The bubbles rise towards the surface.

Which row of the table is correct as one bubble rises?

Which of these is a unit of pressure?

The diver measures air pressure in atmospheres.

A bubble has an initial volume, V₁, of 0.50 litres, at a pressure, P₁, of 3.30 atmospheres.

The bubble rises towards the surface of the water, where the pressure, P₂, is 1.07 atmospheres.

Calculate the volume, V₂, of the bubble near the surface.

Use the equation

volume, V₂, of the bubble =_........

This question is about magnets and magnetism.

Figure 8 shows a magnet that has picked up three paper clips.

The poles of the lowest paper clip are labelled.

Label the poles of the other two paper clips in Figure 8.

Complete the sentence, by choosing a word from the box, to describe the type of magnetism that these paper clips have.

These paper clips have_........ magnetism.

Suggest a material that these paper clips in Figure 8 could be made from.

When the paper clips were pulled off the magnet they fell separately to the table.

Describe how you could test whether any of the paper clips had kept any magnetism.

Figure 9 shows the magnetic field around a wire carrying a current.

State how you can tell from Figure 9 that the strength of the field is greater at P than at Q.

The magnetic field strength is measured at P for different values of current in the wire.

The results of this investigation are shown in Figure 10.

Describe the relationship between magnetic field strength and current.

Figure 11 shows part of the UK National Grid system for the supply of electricity to homes.

Electricity supplied to homes has a frequency of

Explain why the National Grid uses high voltages with small currents to transfer electricity from power stations.

Figure 12 shows details of a transformer.

primary coil secondary coil 80 000 turns of wire 1600 turns of wire

primary voltage = 12 000 V secondary voltage = 240 V

primary current = 0.64 A secondary current = 32 A

Figure 12

Calculate the power in the primary coil.

Use the equation

power in the primary coil =_........

Calculate the following for the transformer in Figure 12.

number of turns in secondary coil number of turns in primary coil

For the transformer in Figure 12, evaluate, in its simplest form, the ratio

secondary voltage: primary voltage

This question is about energy transfers.

Figure 13 shows the apparatus used for investigating the transfer between gravitational potential energy and kinetic energy.

A metal ball is attached to a thread.

The ball is released from a starting position and swings on the thread.

The ball cuts a light beam at the bottom of its swing.

When the ball cuts the light beam, the speed of the ball is recorded by the data logger.

The ball was released 3 times from the same height and the speed measured each time.

The measurements of speed are given in Figure 14.

Calculate the mean speed.

mean speed =_........

Suggest one reason why the measurements of speed were repeated.

The mass of the ball is 0.052 kg.

The ball falls through a vertical height (Δ h) of 5.0 cm as it swings.

The gravitational field strength, g, is 10 N/kg.

Calculate the change in the gravitational potential energy of the ball.

Use the equation

change in gravitational potential energy =_........

Figure 15 shows an end‑on view of the ball’s swing from its starting position.

To measure the change in vertical height, Δ h, through which the ball moves, a ruler could be used.

Draw a ruler on Figure 15, placed in a position to measure the change in vertical height Δ h.

Figure 16 shows a set square.

Describe how the measurement of the change in vertical height, Δ h, could be improved using the set square.

You may add to Figure 15 or Figure 16 to help your description.

Which of these is a vector?

Figure 17 shows a balanced seesaw with two children on it.

The pivot is at the centre of the seesaw.

The seesaw is balanced with no children sitting on it.

Child P has a weight of 150 N.

Calculate the moment of the weight of child P about the pivot in N m.

Use the equation

moment of a force = forcedistance to pivot

moment =_........

Figure 18 shows the same balanced seesaw, with the distance of child Q to the pivot labelled as well.

Calculate the value of W, the weight of child Q.

Use the idea of moments and the equation

the moment of W = the moment of the weight of child P

Give your answer to 2 significant figures.

*(c) Figure 19 shows a crowbar being used to lift a heavy weight.

Explain how the crowbar enables a person to lift a heavy weight.

You should include the idea of moments in your answer.

It may help to label some distances in Figure 19 and use those distances in your explanation.

The voltage (potential difference) across a length of wire is 1.5 V.

A charge of 0.042 C flows through the wire.

Calculate the energy transferred.

Use the equation

Figure 20 shows some of the apparatus that students use to determine the resistance of a piece of iron wire.

Add connecting wires, a voltmeter and an ammeter to complete the circuit in Figure 20 so that the students can determine the resistance of the piece of iron wire.

The students extend the investigation to determine how the resistance of the iron wire changes with its length.

Give the name of one additional piece of apparatus the students would need.

Figure 21 shows a graph of the results.

Draw a straight line of best fit on Figure 21.

Use Figure 21 to estimate the resistance of a 100 cm length of the iron wire.

The variable resistor shown in Figure 20 is used to prevent the iron wire from becoming too hot.

Explain how the variable resistor is used to prevent the iron wire from becoming too hot.

The potential difference (voltage) across another piece of wire is 1.56 V.

The current in the wire is 0.45 A.

Calculate the resistance of this piece of wire.

Use the equation

Which of these means changing state from solid directly to gas?

An object has a mass of 7.22×10^–2kg and a volume of 2.69×10^–5m³.

Calculate the density, ρ, of the object.

Use the equation

State the unit.

Aluminium has a melting point of 660C.

The absolute zero of temperature is –273C.

Calculate the melting point of aluminium in kelvin.

melting point of aluminium =_........

Describe the motion of particles in liquid aluminium (above 660C).

*(d) The table shows some properties of two materials used as thermal insulation.

The higher the R‑value, the better the thermal insulating properties of the material.

Assess which of these materials may be the more suitable to use as thermal insulation in a building.

Your answer should compare the properties of fibreglass and polystyrene given in the table.

This question is about pressure.

Figure 22 shows windows in an aeroplane.

The aeroplane is high above the Earth’s surface.

The atmospheric pressure outside the aeroplane is 23 000 Pa.

The air pressure inside the aeroplane is 80 000 Pa.

Calculate the pressure difference between inside and outside of the aeroplane.

The surface area of the window is 0.094 m².

Calculate the size of the force on the window due to the cabin air pressure of 80 000 Pa.

Use the equation

On the same aeroplane, a different window has a smaller surface area.

Explain how the force due to the air pressure inside the cabin on the small window differs from the force on the larger window.

Figure 23 shows a cross‑section through the aeroplane including one window.

inside of aeroplane outside of aeroplane

Draw an arrow on Figure 23 to show the direction of the resultant force due to the air pressure inside the cabin on the window at point X.

Figure 24 shows the atmospheric pressure at different heights above the Earth’s surface.

height above the Earth’s surface in m

Figure 24

Describe how the atmospheric pressure changes with height above the Earth’s surface.

Use data from Figure 24 to support your answer.

Suggest one reason why the atmospheric pressure changes with height above the Earth’s surface.

Equations