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A+Level Physics Paper 2 Definitions 2024
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A+Level Physics Paper 2 Definitions 2024
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A+Level Physics Paper 2 Definitions 2024Internal energy - ANS-the sum of the random distribution of kinetic and potential
energies of molecules
specific heat capacity - ANS-the energy required to heat 1kg of a substance by 1
degree without a change of state
latent heat of fusion - ANS-the energy required to change 1kg of a solid to a liquid
without a change in temperature
latent heat of vapourisation - ANS-the energy required to change 1kg of a liquid to a gas
without a change in temperature
Boyle's law - ANS-pressure is inversely proportional to volume of a gas provided the
temperature remains constant
Charles's Law - ANS-temperature and volume of a gas are directly proportional
provided the pressure is constant
gravitational field strength - ANS-the force per unit mass on a small test mass placed in
the field
gravitaional potential - ANS-the work done per unit mass to move a small test mass
from infinity to a given point
electric field strength - ANS-force per unit charge on a small positive test charged at a
particular point in the field
electric potential - ANS-the work done per unit charge to bring a small positive test
charge from infinity to a given point
capacitance - ANS-charge stored per unit voltage
relative permittivity - ANS-ratio of charge stored with the dielectric to without the
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