A-LevelPhysicsPhysical quantities and unitsMay/June 2012Paper 1 Q21 Mark
For which quantity is the magnitude a reasonable estimate?
Afrequency of a radio wave 500 pHz
Bmass of an atom 500 μg
Cthe Young modulus of a metal 500 kPa
Dwavelength of green light 500 nm
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of physical quantities and units within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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