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GCSE Physics (OCR)

Energy, electricity, particle model, atomic, forces, waves, magnetism. OCR board.

Pass mark 24/40 60 minutes OCR How many can I get wrong?
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Q1. Which equation correctly relates kinetic energy to mass and speed?
  • A.  Ek = mv
  • B.  Ek = 1/2 mv
  • C.  Ek = 1/2 mv^2
  • D.  Ek = mv^2
Show answer & explanation
✓ Answer: C. Ek = 1/2 mv^2
Kinetic energy is calculated using Ek = 1/2 mv^2, where m is mass in kg and v is speed in m/s. Doubling the speed quadruples the kinetic energy because speed is squared, not just doubled as the mv^2 option might suggest.
Q2. Two identical resistors of 6 Ω each are connected in parallel. What is their combined resistance?
  • A.  12 Ω
  • B.  6 Ω
  • C.  3 Ω
  • D.  0.33 Ω
Show answer & explanation
✓ Answer: C. 3 Ω
For two equal resistors in parallel, the combined resistance is half of one resistor's value, so 6 Ω / 2 = 3 Ω. Adding them to get 12 Ω is what happens in series, not parallel.
Q3. The specific latent heat of fusion of ice is 334,000 J/kg. How much energy is needed to melt 0.5 kg of ice at 0°C with no temperature change?
  • A.  167,000 J
  • B.  668,000 J
  • C.  334,000 J
  • D.  83,500 J
Show answer & explanation
✓ Answer: A. 167,000 J
Using energy = mass × specific latent heat: 0.5 × 334,000 = 167,000 J. This energy changes the state of the ice without raising its temperature, since all the energy goes into breaking intermolecular bonds during melting.
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Energy · 36
Electricity · 33
Particle model & matter · 34
Atomic structure & radioactivity · 35
Forces & motion · 35
Waves, magnetism & space · 34
GCSE Physics (OCR) — common questions
Frequently asked
How many questions are in the GCSE Physics (OCR)?
The exam has 40 questions. Every Revision Robin mock uses the same 40-question format so your practice matches the real thing.
What is the pass mark for the GCSE Physics (OCR)?
You need 24 out of 40 correct to pass, which is about 60%. Our mocks mark you against this exact threshold.
How long do you get?
The test is timed at 60 minutes. Our full mock runs on the same clock so you can practise your pacing.
Are these the real exam questions?
No. Our questions are original and written to match the current syllabus, so they give realistic practice without copying the official paper. Every answer comes with a plain-English explanation. Always confirm current rules and content with OCR.