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Calculate the penumbra for an image taken with a 2.0 mm focal spot, at a 72 in.distance, and OID of 1 in.

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In digital imaging systems , increasing sampling frequency of the data


A) increases dose.
B) increases image fidelity.
C) decreases MTF.
D) decreases dose.

E) All of the above
F) C) and D)

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