Edexcel GCSE Combined Science Paper 5: Physics 1 Foundation June 2023 question paper 1SC0/1PF

This question is about waves in the electromagnetic (e‑m) spectrum.

Figure 1 shows some types of radiation that form part of the e‑m spectrum and some uses of e‑m radiation.

Draw one straight line from each type of e‑m radiation to its use.

One line has been drawn for you.

Which of these waves has the highest frequency?

X‑rays are also part of the e‑m spectrum.

Figure 2 shows an airport security scanner using X‑rays to scan passengers’ bags.

Explain why X‑rays are used to scan passengers’ bags.

Explain why passengers are not scanned with X‑rays.

The graph in Figure 3 shows how the velocity of a car changes with time.

The car starts from rest and travels along a level, straight road for 50 s.

Which part of the graph shows when the car has constant velocity?

Which part of the graph shows when the car has the greatest acceleration?

Calculate the acceleration of the car in the first 10 s shown on the graph.

Use the equation

acceleration =_........ m / s

Calculate the distance the car travels in part QR shown on the velocity / time graph in Figure 3.

distance =_........ m

A different car has a mass of 1200 kg.

Calculate the force needed to give this car an acceleration of 2.4 m / s².

Use the equation

F = m × a

force =_........ N

An atom has a central nucleus containing neutrons and protons.

Electrons orbit the nucleus.

Which row of the table gives the relative mass and charge of a proton?

An atom has a radius of 1.0 × 10^–10m.

A nucleus has a radius of 1.0 × 10^–15m.

Calculate the ratio of the radius of the atom to the radius of the nucleus.

ratio of radius of atom to radius of nucleus =_........

Explain why an atom has no charge overall.

State the number of protons in one atom of carbon‑14.

number of protons =_........

State the number of neutrons in one atom of carbon‑14.

number of neutrons =_........

Figure 4 shows a graph for the decay of the radioactive isotope carbon‑14.

Use the graph to estimate the half‑life of carbon‑14.

half‑life =_........ years

Figure 5 shows a wave on the surface of water.

Which of the arrowed lines shows the amplitude of the wave?

Explain why the wave shown in Figure 5 is a transverse wave.

Figure 6 shows a ripple tank.

A screen is placed below the ripple tank.

The wave pattern produced by the ripples can be seen on the screen.

A student has a stop clock and a ruler.

Describe how the student could measure the frequency of the ripples.

Describe how the student could measure the wavelength of the ripples.

In a swimming pool, a wave is produced with a wavelength of 4.0 m and a velocity of 0.8 m / s.

Calculate the frequency of the wave.

State the unit of frequency.

Use the equation

v = f × λ

frequency of wave_........ unit_........

Which of these is a scalar quantity?

A student has some cupcake cases.

One cupcake case is shown in Figure 7.

The student drops a stack of cupcake cases with the base facing downwards, as shown in Figure 8.

(Source: © Elena Schweitzer/Shutterstock)

Figure 8

The speed of the falling stack of cupcake cases depends on the number of cupcake cases in the stack.

The student also has a stop clock and a metre rule.

Describe an investigation to show how the speed of the falling stack of cupcake cases depends on the number of cupcake cases in the stack.

A stack of cupcake cases has a mass of 0.005 kg.

Calculate the weight, in newtons, of the stack of cupcake cases.

Gravitational field strength = 10 N / kg

Use the equation

W = mg

Figure 9 shows a cupcake case that is falling at a constant velocity.

Draw an arrow on Figure 9 to show the force due to air resistance on the cupcake case.

State the value of the acceleration of the cupcake case when it is falling at a constant velocity

A car travels along a straight road.

The car accelerates at 3 m / s² for a time of 7 s.

Calculate the change in velocity of the car.

Use the equation

change in velocity = acceleration × time taken

change in velocity =_........ m / s

Figure 10 shows a football kicked against a wall.

The football has a mass of 0.42 kg.

The football gains 11 J of gravitational potential energy as it moves from the ground to the wall.

Calculate the height at which the ball hits the wall.

Gravitational field strength = 10 N / kg

Use the equation

∆ GPE = m × g × ∆ h

height =_........ m

Calculate the kinetic energy of the football when it is moving at a velocity of 12 m / s.

Use the equation

kinetic energy =_........ J

Describe the energy transfers that happen when the ball hits the wall.

*(b) In the UK, electricity is generated using non‑renewable and renewable energy resources.

The graph in Figure 11 shows how the amount of electricity generated by these resources changed from 2012 to 2020.

time in years from 2012 to 2020

Figure 11

Explain how and why the amount of electricity generated by renewable and non‑renewable energy resources has changed from 2012 to 2020.

Your answer should include

• the trends shown in Figure 11

• the change in the amount of electricity generated by at least one renewable resource

• the change in the amount of electricity generated by at least one non‑renewable resource.

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