Plutonium – 239 & Thorium -233

Question

 Match Lists –I with Lists –II and select answer using the codes given below the lists:      

Lists – I

1. Plutonium – 239
2. Thorium -233
3. Cadmium
4. Graphite

Lists –II

1. Fissile material
2. Fissionable material
3. Moderator
4. Poison

Codes:

            A         B         C         D

(a)        1          2          3          4

(b)        2          1          3          4

(c)        1          2          4          3

(d)       2          1          4          3