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A-LevelPhysicsPhysical quantities and units9702/12 · Oct/Nov 2021 · Q21 Mark

What is an alternative way of expressing an energy of 43 dJ?

A4.3 × 10³ mJ
B4.3 x 10³ MJ
C4.3 x 10⁻³ mJ
D4.3 x 10⁻³ MJ

✓ Correct answer

A: 4.3 × 10³ mJ

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About this question

Topic
Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Oct/Nov 2021 Paper 1 Variant 2, question 2.

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