Hint | Answer | % Correct |
---|---|---|
The rate change of velocity, a vector quantity | Acceleration | 95%
|
The maximum displacement from the equilibrium position (waves) | Amplitude | 80%
|
The average time taken for half the number of active nuclei in a sample of an isotope to decay | Half-life | 66%
|
A property of a component calculated by dividing the potential difference across it by the current in it | Resistance | 55%
|
The charge stored per unit potential difference across a capacitor | Capacitance | 43%
|
The constant speed reached by an object when the drag force (and upthrust) is equal and opposite to the weight of the object | Terminal velocity | 43%
|
Force per unit cross-sectional area | Pressure | 39%
|
The product of one of the forces of a couple and the perpendicular distance between the forces | Torque | 27%
|
The difference between the displacements of particles along a wave, or the difference between the displacements of particles on different waves | Phase difference | 25%
|
The energy required per unit mass to change the temperature by 1K | Specific heat capacity | 25%
|
The extension per unit length, a dimensionless quantity | Tensile strain | 25%
|
The minimum energy needed to remove a single electron from the surface of a particular metal | Work function | 25%
|
Defined as the energy transferred from chemical to electrical energy per unit charge | Electromotive force | 20%
|
The ratio of tensile stress to tensile strain when these quantities are directly proportional to each other | Young modulus | 20%
|
The lowest frequency at which an object can vibrate | Fundamental frequency | 16%
|
The strength of a magnetic field | Magnetic flux density | 16%
|
Defined as the energy transferred from electrical energy to other forms per unit charge | Potential difference | 16%
|
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