Question

Match List I (Material) with List II (Application) kind select the correct answer:            

List I

A. Plutonium—239

B. Thorium—232

C. Cadmium

D. Graphite

List II

1. Fertile material

2. Control cods

3. Moderator

4. Fissile material

Codes;

            A         B         C         D

a.         4          3          2          1

b.         2          1          4          3

c.         2          3          4          1

d.         4          1          2          3