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PHY2023Januarymedium
[DEMO] A rigid body rotates about a fixed axis. Which quantity remains conserved in the absence of external torque?
a.Linear momentum
b.Angular momentum
c.Impulse
d.Force
Rotational Motion/Angular Momentum/Conservation principle
CHE2022Aprilhard
[DEMO] Which factor most influences the stability of a coordination complex in a simplified crystal-field model?
a.Ligand field strength
b.Atomic mass alone
c.Container color
d.Sample density
Coordination Chemistry/Crystal Field Theory/Stability reasoning
MAT2024Januaryeasy
[DEMO] The derivative of a function measures which quantity at a point?
a.Area under curve
b.Instantaneous rate of change
c.Average value over interval
d.Total displacement only
Calculus/Differentiation/Concept definition
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