The fraction of the radiative energy that is diffused from one surface element and strikes the other surface directly with no intervening reflections is called (i) Radiation shape factor (ii) Geometrical factor (iii) Configuration factor Choose the correct answer

A. public class Circle implements Shape { private int radius; }B. public abstract class Circle extends Shape { private int radius; }C. public class Circle extends Shape { private int radius; public void draw(); }D. public abstract class Circle implements Shape { private int radius; public void draw(); }E. public class Circle extends Shape { private int radius; public void draw() { /* code here */ } }F. public abstract class Circle implements Shape { private int radius; public void draw() { /* code here */ } }