AQA A Level Physics Paper 2 2019
Question Paper
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
A-level
PHYSICS
Paper 2
Friday 24 May 2019 Morning Time allowed: 2 hours
Materials
For this paper you must have:
a pencil and a ruler For Examiner’s Use
a scientific calculator Question Mark
a Data and Formulae Booklet.
1
Instructions 2
Use black ink or black ball-point pen. 3
Fill in the boxes at the top of this page. 4
Answer all questions.
5
You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 6
If you need extra space for your answer(s), use the lined pages at the end of 7−31
this book. Write the question number against your answer(s).
TOTAL
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 85.
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
Section A outside the
box
Answer all questions in this section.
0 1 Figure 1 shows a perfectly insulated cylinder containing 0.050 kg of liquid nitrogen at
a temperature of 70 K.
A heater transfers energy at a constant rate of 12 W to the nitrogen.
A piston maintains the pressure at 1.0 × 105 Pa during the heating process.
Figure 1
, 3
Do not write
outside the
0 1 . 1 The nitrogen is heated from 70 K and is completely turned into a gas after 890 s. box
Calculate the specific heat capacity of liquid nitrogen.
Give an appropriate unit for your answer.
specific latent heat of vaporisation of nitrogen = 2.0 × 105 J kg−1
boiling point of nitrogen = 77 K
[5 marks]
specific heat capacity = unit =
Question 1 continues on the next page
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Question Paper
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
A-level
PHYSICS
Paper 2
Friday 24 May 2019 Morning Time allowed: 2 hours
Materials
For this paper you must have:
a pencil and a ruler For Examiner’s Use
a scientific calculator Question Mark
a Data and Formulae Booklet.
1
Instructions 2
Use black ink or black ball-point pen. 3
Fill in the boxes at the top of this page. 4
Answer all questions.
5
You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 6
If you need extra space for your answer(s), use the lined pages at the end of 7−31
this book. Write the question number against your answer(s).
TOTAL
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 85.
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
Section A outside the
box
Answer all questions in this section.
0 1 Figure 1 shows a perfectly insulated cylinder containing 0.050 kg of liquid nitrogen at
a temperature of 70 K.
A heater transfers energy at a constant rate of 12 W to the nitrogen.
A piston maintains the pressure at 1.0 × 105 Pa during the heating process.
Figure 1
, 3
Do not write
outside the
0 1 . 1 The nitrogen is heated from 70 K and is completely turned into a gas after 890 s. box
Calculate the specific heat capacity of liquid nitrogen.
Give an appropriate unit for your answer.
specific latent heat of vaporisation of nitrogen = 2.0 × 105 J kg−1
boiling point of nitrogen = 77 K
[5 marks]
specific heat capacity = unit =
Question 1 continues on the next page
Turn over ►
