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.

Answered by Tomas M. Physics tutor

12464 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

Using Fermat's Principle explain why it makes sense for light be refracted when crossing from one medium into another that has a different refractive index.


A yacht is sailing through water that is flowing due west at 2m/s. The velocity of the yacht relative to the water is 6m/s due south. The yacht has a resultant velocity of V m/s on a bearing of theta. Find V and theta


Where does the simple harmonic motion equation come from and what does it mean?


How do I approach this question? Our teacher never explained it in class!


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences