Sub-topic 1
2024 · National Preliminary
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Reliability of repeated measurements: true/false
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Sub-topic 2
2024 · National Preliminary
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Density, mass and weight: true/false
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Sub-topic 3
2024 · National Preliminary
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Pressure exerted by a force over a square surface: $P = \dfrac{F}{A}$
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Sub-topic 4
2024 · National Preliminary
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Measuring instruments: manometer, pyrometer and hydrometer (true/false)
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Sub-topic 5
2024 · National Preliminary
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Physical quantity riddle: si units and prefixes
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Sub-topic 6
2026 · National Preliminary
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Dimension of a derived physical quantity from a product/quotient of base quantities
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Sub-topic 7
2026 · National Preliminary
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Dimension of a derived physical quantity from a product/quotient of base quantities
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Sub-topic 8
2026 · National Preliminary
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Dimension of a derived physical quantity from a product/quotient of base quantities
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Sub-topic 9
2024 · National Semifinal
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Exact defined values of the si defining physical constants
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Sub-topic 10
2026 · National Semifinal
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Exact defined values of the si defining physical constants
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Sub-topic 11
2025 · National Quarterfinal
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Apparent magnitude as a measure of brightness
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Sub-topic 12
2024 · Regional Championship
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Propagating relative uncertainty through a product or power
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Sub-topic 13
2023 · National One-Eighth
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Propagating relative uncertainty through a product or power
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Sub-topic 14
2021 · National Preliminary
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Propagating relative uncertainty through a product or power
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Sub-topic 15
2024 · Regional Championship
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Whether a ratio of two astronomical or atomic quantities has order of magnitude unity (true/false)
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Sub-topic 16
2026 · National Preliminary
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Riddle: the joule, a derived si unit equivalent to the newton-meter
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Sub-topic 17
2025 · National One-Eighth
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Si unit of a constant in a given physical formula, from dimensional consistency
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Sub-topic 18
2025 · National Preliminary
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Mass of an object from its density and volume
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Sub-topic 19
2024 · National Preliminary
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Mass of an object from its density and volume
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Sub-topic 20
2003 · National Semifinal
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Checking whether an object is genuine gold from its measured density
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Sub-topic 21
2013 · National Preliminary
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Identifying which quantities are not signed (always non-negative)
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Sub-topic 22
2013 · National Quarterfinal
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Riddle: the speed of light as a universal constant
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Sub-topic 23
2013 · National Semifinal
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Actual distance from a miscalibrated metre rule (0.99 cm graduations)
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Sub-topic 24
2013 · National Semifinal
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Relative error from a miscalibrated metre rule
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Sub-topic 25
2013 · National Semifinal
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Type of error from an incorrectly calibrated instrument
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Sub-topic 26
2014 · National Quarterfinal
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Riddle: the kilogram as the only si base unit still defined by an artifact and having a prefix
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Sub-topic 27
2016 · National One-Eighth
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Main features of a laboratory pan (beam) balance
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Sub-topic 28
2016 · National One-Eighth
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Speed of light in vacuum to two significant figures
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Sub-topic 29
2016 · National One-Eighth
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The velocity ratio of a simple machine as effort-to-load distance
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Sub-topic 30
2018 · National Preliminary
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Speed is a derived, not base, quantity (true/false)
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Sub-topic 31
2018 · National Preliminary
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Length, time and mass are base quantities; speed is derived, not base (true/false)
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Sub-topic 32
2018 · National Preliminary
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A derived quantity is composed of products of powers of base quantities (true/false)
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Sub-topic 33
2021 · National Quarterfinal
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Best experimental value of a repeated length measurement (the mean)
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