Discuss the difference between sharpness and contrast in x-ray imaging
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.
TM
Related Physics A Level answers
All answers ▸A golf ball is hit at angle θ to the horizontal, with initial velocity u. Stating an assumption, show that the horizontal distance travelled by the ball is directly proportional to u^2.
What is the difference between an elastic and inelastic collision
Find the magnitude of the force on an electron that is travelling with velocity 2 x 10^4 ms^(-1) in the x direction through a uniform magnetic field of strength 2T in the y direction.
Why is the sky blue?