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Definitions (23)
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young's double slit experiment
An experiment to demonstrate the wave nature of light via superposition and interference.
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young modulus
Stress per unit Strain, units: Pascals or N/m2
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x rays
A form of electromagnetic wave (wavelengths:10-12-10-7m). It is used in X-ray photography.
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work done
The energy transferred when an object is moved through a distance by a force. Can be calculated by multiplying the force involved by the distance moved in the direction of the force.
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work function energy
The minimum energy that is required for a material to release an electron, measured in joules(J).
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weight
The gravitational force acting on a body, measured in newtons (N).
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wave
Series of vibrations that transfer energy from one place to another.
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wavelength(λ)
The smallest distance between one point of a wave and the identical point of the next wave, measured in metres (m).
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wave-particle duality
The theory which states that all objects can exhibit both wave and particle properties.
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watt(w)
The unit of power.
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