For a fast chain reaction, the size of U235 block, as compared to its critical size, must be
A
greater
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
smaller
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
same
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
anything
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A greater In fast chain reaction neutron released in previous fission again strikes 235U, So size of 235U block should be greater than it's critical size.