Q 58. A solid cylinder (surface 2) is located at the centre of a hollow sphere (surface 1).The diameter of the sphere is 1 m, while the cylinder has a diameter and length of 0.5 m each. The radiation configuration factor is
(A) 0.375
(B) 0.625
(C) 0.75
(D) 1
Answer: (C)
Explanation: