All of the following will keep the penumbra as small as possible EXCEPT one.Which one is the EXCEPTION?
A)Small focal spot
B)Angulation of the target
C)Increased target-object distance
D)Increased object-receptor distance

Question

Quizplus · Accepted Answer

Increasing the object-receptor distance actually increases the size of the penumbra, making the image less sharp. The other options (small focal spot, angulation of the target, and increased target-object distance) all contribute to keeping the penumbra small and the image sharp.

All of the Following Will Keep the Penumbra as Small