Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
PHYSICS
5RVVDOO 6FKRRO 0DUFK 7ULDO ([DPV 3DSHU
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and mathematics. These disciplines not only have distinct
areas of focus but also require unique approaches to assessment
Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
a pencil and a ruler Question Mark
a scientific calculator 1
a Data and Formulae Booklet. 2
3
Instructions
Use black ink or black ball-point pen. 4
Fill in the boxes at the top of this page. 5
Answer all questions. 6
You must answer the questions in the spaces provided. Do not write
7–31
outside the box around each page or on blank pages.
If you need extra space for your answer(s), use the lined pages at the end of TOTAL
this book. Write the question number against your answer(s).
Do all rough work in this book. Cross through any work you do not want
to be marked.
Show all your working.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 79.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
7408/2
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 A perfectly insulated flask contains a sample of metal M at a temperature of –10 °C.
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment
Figure 1 shows how the temperature of the sample changes when energy is
transferred to it at a constant rate of 35 W.
Figure 1
0 1
. 1 State the melting temperature of M.
[1 mark]
temperature = °C
, 3
Do not write
outside the
0 1 . 2 Explain how the energy transferred to the sample changes the arrangement of the box
atoms during the time interval tA to tB.
[1 mark]
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment
0 1 . 3 State what happens to the potential energy of the atoms and to the kinetic energy of
the atoms during the time interval tA to tB.
[2 marks]
0 1 . 4 Describe how the motion of the atoms changes during the time interval tB to tC.
[1 mark]
Question 1 continues on the next page
Turn over ►
, 4
Do not write
outside the
0 1 . 5 The sample has a mass of 0.25 kg. box
Determine the specific heat capacity of M when in the liquid state.
State an appropriate SI unit for your answer.
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment 3 marks]
specific heat capacity = unit =
0 1
. 6 Table 1 shows the specific latent heats of fusion l for elements that are liquid at
similar temperatures to M.
Table 1
Element Caesium Gallium Mercury Rubidium
l / kJ kg−1 16 80 11 26
M is known to be one of the elements in Table 1.
Identify M.
[2 marks]
M= 10
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
PHYSICS
5RVVDOO 6FKRRO 0DUFK 7ULDO ([DPV 3DSHU
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and mathematics. These disciplines not only have distinct
areas of focus but also require unique approaches to assessment
Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
a pencil and a ruler Question Mark
a scientific calculator 1
a Data and Formulae Booklet. 2
3
Instructions
Use black ink or black ball-point pen. 4
Fill in the boxes at the top of this page. 5
Answer all questions. 6
You must answer the questions in the spaces provided. Do not write
7–31
outside the box around each page or on blank pages.
If you need extra space for your answer(s), use the lined pages at the end of TOTAL
this book. Write the question number against your answer(s).
Do all rough work in this book. Cross through any work you do not want
to be marked.
Show all your working.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 79.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
7408/2
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 A perfectly insulated flask contains a sample of metal M at a temperature of –10 °C.
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment
Figure 1 shows how the temperature of the sample changes when energy is
transferred to it at a constant rate of 35 W.
Figure 1
0 1
. 1 State the melting temperature of M.
[1 mark]
temperature = °C
, 3
Do not write
outside the
0 1 . 2 Explain how the energy transferred to the sample changes the arrangement of the box
atoms during the time interval tA to tB.
[1 mark]
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment
0 1 . 3 State what happens to the potential energy of the atoms and to the kinetic energy of
the atoms during the time interval tA to tB.
[2 marks]
0 1 . 4 Describe how the motion of the atoms changes during the time interval tB to tC.
[1 mark]
Question 1 continues on the next page
Turn over ►
, 4
Do not write
outside the
0 1 . 5 The sample has a mass of 0.25 kg. box
Determine the specific heat capacity of M when in the liquid state.
State an appropriate SI unit for your answer.
ntroductionExams serve as a fundamental tool in evaluating a student's understanding of a subject, particularly in fields as diverse as business, law, and
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment 3 marks]
specific heat capacity = unit =
0 1
. 6 Table 1 shows the specific latent heats of fusion l for elements that are liquid at
similar temperatures to M.
Table 1
Element Caesium Gallium Mercury Rubidium
l / kJ kg−1 16 80 11 26
M is known to be one of the elements in Table 1.
Identify M.
[2 marks]
M= 10
