(Solved): 8 4 (a) (i) Imaging is one of the uses of X-rays in Medicine. Give two kinds of cases where X-rays w ...

8 4 (a) (i) Imaging is one of the uses of X-rays in Medicine. Give two kinds of cases where X-rays would produce the best images. (ii) In medical diagnosis, X -rays are passed through a filter before they pass through a patient. After the patient, the rays pass through a grid before they reach the X-ray film as shown in Fig.4.1 x-ray film Fig. 4.1 State and explain the advantages of this procedure regarding the patient and quality of the image. [8] (b) Lasers are used in medical treatment in a variety of ways. (i) State any one common medical use of lasers. (ii) Briefly explain how lasers are used in (i).