Question detail
Which option best applies depth for Pressure in liquids (physics only) in AQA GCSE Physics Forces?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Pressure and pressure differences in fluids (physics only)
Question
- A. 3 m — application focus for depth
- B. This confuses force and pressure and does not answer Pressure in liquids (physics only).
- C. This is too vague because it does not use the force or motion quantity named in the objective.
- D. This reverses the physical cause and effect for Pressure and pressure differences in fluids (physics only).
Answer
The correct answer is: 3 m — application focus for depth
Explanation
The correct option is 3 m — application focus for depth. 3 m — application focus for depth is correct because it matches the approved learning objective to (Physics only) Calculate depth from pressure, density and gravitational field strength. This answer belongs to Pressure in liquids (physics only) within Pressure and pressure differences in fluids (physics only), so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse force and pressure, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Common Mistake in Depth Calculation
Students often confuse the relationship between pressure, density, and depth, leading to incorrect calculations of depth from pressure.
To fix this, remember to use the formula depth = pressure / (density x gravitational field strength) and ensure you understand how each variable interacts.
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