Answers

2015-11-16T20:36:17+05:30
1: brick
2: paper 
3: tree 
4: human beings etc.
  i hope that this will help u ..............................^_^ 
1 5 1
2015-11-16T20:36:41+05:30
two non-luminous objects are-
1.table
2.chair
3.door
4.wood
1 5 1