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Sharpness describes how well the edges of structures in an x-ray image are defined, while contrast describes the difference in degree of blackening of adjacent structures.
A common response from the student for the above question is: “I got 20km/h but it says it’s wrong! help i’m really confused”. The following two paragraphs will outline how I might attempt explain this id...
The diagram would have the following:
An arrow pointing upwards labeled v(y)
An arrow pointing to the right labeled v(x)
An arrow pointing in between those lines with a degree between...
ρ = (AR) / l
where:
ρ is the resistivity of the metal wire
A is the cross sectional area of the specimen wire
R is the electrical resistance of a uniform metal wire
l i...
As you may have already seen, light sometimes behaves as a wave and sometimes as a particle. This is due to something we call "wave-particle duality" by which we mean that objects on the quantum...
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