Physics key terms 2

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  • Created by: Sophie
  • Created on: 04-01-14 20:11
The potential difference across a metallic conductor is proportional to the current, provided the physical conditions do not change
Ohm's law
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the difference in distances between two coherent sources to an interference fringe
path difference
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time for one complete cycle of a wave to pass a point
period of a wave
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the fraction of a cycle between the vibrations of the two vibrating particles, measured in radians or degrees
phase difference
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deformation of a solid beyond its elastic limit
plastic deformation
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work done/energy transfer per unit charge between two points when charge move from one point to another
potential difference
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the energy of an object due to its position
potential energy
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rate of transfer of energy
power
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the degree of exactness of a measurement, usually expressed as the uncertainty of the readings used to obtain a measurement
precision of a measurement
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the smallest non-zero reading that can be measured, sometimes referred to as the instrument of sensitivity or resolution
precision of an instrument
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energy cannot be created or destroyed
principle of conservation of energy
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measure of an angle defined such that 2π radians=360°
radian
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error of measurement due to readings that vary randomly with no recognisable pattern/trend/bias
random error
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potential difference/current
resistance
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error of measurement due to the readings that systematically differ from the true reading and follow a pattern/trend/bias
systematic error
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-continuous spectrum:continous ranges of colours corresponding to a continuous range of wavelengths, line emission spectrum -characteristic coloured vertical lines, each corresponding to a certain wavelength, line absorption spectrum -dark vertical.
types of light spectra
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energy transferred to where it is wanted when it is wanted
useful energy
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Other cards in this set

Card 2

Front

the difference in distances between two coherent sources to an interference fringe

Back

path difference

Card 3

Front

time for one complete cycle of a wave to pass a point

Back

Preview of the front of card 3

Card 4

Front

the fraction of a cycle between the vibrations of the two vibrating particles, measured in radians or degrees

Back

Preview of the front of card 4

Card 5

Front

deformation of a solid beyond its elastic limit

Back

Preview of the front of card 5
View more cards

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