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#O C R J259/01 Breadth in physics (Foundation Tier) GCSE (9–1) Physics B (Twenty First Century Science) May 2023 £14.36
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#O C R J259/01 Breadth in physics (Foundation Tier) GCSE (9–1) Physics B (Twenty First Century Science) May 2023
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#O C R J259/01 Breadth in physics (Foundation Tier) GCSE (9–1) Physics B (Twenty First Century Science) May 2023

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  • January 31, 2024
  • 33
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • o c r j25901 breadth in physics foundation tier

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#O C R
J259/01 Breadth in physics (Foundation Tier)
GCSE (9–1) Physics B
(Twenty First Century Science)


May 2023




F
Time allowed: 1 hour 45 minutes

You must have:
a ruler (cm/mm)
the Equation Sheet for GCSE (9–1) Physics B (inside this
document)
You can use:
a scientific or graphical calculator
an HB pencil




*




Please write clearly in black ink. Do not write in the barcodes.

Centre number Candidate number


First name(s)

Last name

INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answers should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.

INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• This document has 32 pages.

ADVICE
• Read each question carefully before you start your answer.

,2023 Turn over

, 2
1 The diagram shows a hydroelectric power station.

Water in a
reservoir




Pipe


Turbine
National grid


Generator




(a) What is the useful energy store of the water in the reservoir?

Tick (✓) one box.

Chemical

Electrical

Gravitational Potential

Thermal
[1]

(b) Many of the main energy resources use a turbine attached to a generator.

Complete the table to state what drives the turbine for each energy resource.

Tick (✓) one box in each row.

What drives the turbine
Water Wind Steam
Energy resource
Gas power
Nuclear power
Tidal power
[3]




2023

, 3
(c) A Sankey diagram of the energy transferred in the hydroelectric power station during
one hour is shown.




Input
4000
MJ
Output
3600
MJ

Other
Turbine Generator 50 MJ
friction heating
200 150 MJ
MJ

(i) Calculate the total energy wasted every hour.



Wasted energy = ................................................... MJ [1]

(ii) Suggest how to reduce the unwanted energy transfer due to friction as the turbine
rotates.

...........................................................................................................................................

.................................................................................................................................... [1]

(d) Calculate the power output of the hydroelectric power station.

Use:
energy transferred
• the equation: power =
time
• the data in the Sankey diagram
• the information: 1 hour = 3600 seconds.




Power output = .................................................. MW [2]




2023 Turn over

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