Summer 2026 Predicted
worked solutions
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,1. Which of the following is a base SI unit?
A Newton
B Joule
C Kelvin
D Pascal
(Total for Question 1 = 1 mark)
2. A student measures the length of a wire five times and records the following values in
mm: 45.2, 45.6, 45.1, 45.8, 45.3. What is the uncertainty in the mean value?
A ±0.35 mm
B ±0.7 mm
C ±0.175 mm
D ±0.1 mm
(Total for Question 2 = 1 mark)
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,3. A car of mass 1200 kg accelerates uniformly from rest to 20 m/s in 8 s. What is the
resultant force acting on the car?
A 150 N
B 3000 N
C 24000 N
D 2400 N
(Total for Question 3 = 1 mark)
4. Which of the following correctly describes a systematic error?
A It causes a spread in repeated measurements about the mean
B It can be reduced by taking more repeat readings
C It shifts all measurements consistently too high or too low
D It is caused by electronic noise in instruments
(Total for Question 4 = 1 mark)
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, 5. Three resistors of 6 Ω, 3 Ω and 2 Ω are connected in parallel. What is the total
resistance?
A 11 Ω
B 1Ω
C 0.5 Ω
D 5.5 Ω
(Total for Question 5 = 1 mark)
6. A proton and a positron are placed a distance r apart. Which of the following
statements about the electric force between them is correct?
A The force is attractive and follows an inverse square law
B The force is repulsive and follows an inverse square law
C The force is attractive and follows an inverse law
D The force is repulsive and follows an inverse law
(Total for Question 6 = 1 mark)
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worked solutions
for more: tyrionpapers.com
,1. Which of the following is a base SI unit?
A Newton
B Joule
C Kelvin
D Pascal
(Total for Question 1 = 1 mark)
2. A student measures the length of a wire five times and records the following values in
mm: 45.2, 45.6, 45.1, 45.8, 45.3. What is the uncertainty in the mean value?
A ±0.35 mm
B ±0.7 mm
C ±0.175 mm
D ±0.1 mm
(Total for Question 2 = 1 mark)
for more: tyrionpapers.com
,3. A car of mass 1200 kg accelerates uniformly from rest to 20 m/s in 8 s. What is the
resultant force acting on the car?
A 150 N
B 3000 N
C 24000 N
D 2400 N
(Total for Question 3 = 1 mark)
4. Which of the following correctly describes a systematic error?
A It causes a spread in repeated measurements about the mean
B It can be reduced by taking more repeat readings
C It shifts all measurements consistently too high or too low
D It is caused by electronic noise in instruments
(Total for Question 4 = 1 mark)
for more: tyrionpapers.com
, 5. Three resistors of 6 Ω, 3 Ω and 2 Ω are connected in parallel. What is the total
resistance?
A 11 Ω
B 1Ω
C 0.5 Ω
D 5.5 Ω
(Total for Question 5 = 1 mark)
6. A proton and a positron are placed a distance r apart. Which of the following
statements about the electric force between them is correct?
A The force is attractive and follows an inverse square law
B The force is repulsive and follows an inverse square law
C The force is attractive and follows an inverse law
D The force is repulsive and follows an inverse law
(Total for Question 6 = 1 mark)
for more: tyrionpapers.com
