Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
AS
PHYSICS
Paper 1
Tuesday 14 May 2019 Morning Time allowed: 1 hour 30 minutes
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
Instructions 3
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write 6
outside the box around each page or on blank pages. 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 70.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
*JUN197407101*
IB/M/Jun19/E7 7407/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 . 1 Deuterium is an isotope of hydrogen. Its nucleus contains one proton and one
neutron.
Calculate the specific charge of the deuterium nucleus.
[2 marks]
specific charge = C kg−1
*02*
IB/M/Jun19/7407/1
, 3
Do not write
outside the
0 1 . 2 The proton and neutron in the deuterium nucleus are held together by the strong box
nuclear force.
Which is an exchange particle of the strong nuclear force?
Tick () one box.
[1 mark]
muon
photon
pion
W+ boson
0 1 . 3 The deuterium nucleus is stable.
Describe how the variation of the strong nuclear force with distance contributes to the
stability of the deuterium nucleus.
[3 marks]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun19/7407/1
Centre number Candidate number
Surname
Forename(s)
Candidate signature
AS
PHYSICS
Paper 1
Tuesday 14 May 2019 Morning Time allowed: 1 hour 30 minutes
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
Instructions 3
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write 6
outside the box around each page or on blank pages. 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 70.
• You are expected to use a scientific calculator where appropriate.
• A Data and Formulae Booklet is provided as a loose insert.
*JUN197407101*
IB/M/Jun19/E7 7407/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 . 1 Deuterium is an isotope of hydrogen. Its nucleus contains one proton and one
neutron.
Calculate the specific charge of the deuterium nucleus.
[2 marks]
specific charge = C kg−1
*02*
IB/M/Jun19/7407/1
, 3
Do not write
outside the
0 1 . 2 The proton and neutron in the deuterium nucleus are held together by the strong box
nuclear force.
Which is an exchange particle of the strong nuclear force?
Tick () one box.
[1 mark]
muon
photon
pion
W+ boson
0 1 . 3 The deuterium nucleus is stable.
Describe how the variation of the strong nuclear force with distance contributes to the
stability of the deuterium nucleus.
[3 marks]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun19/7407/1
