Give the answer of Que.5. Q.5. The property of light to travel in a straight line is called........... Share with your friends Share 1 Decoder_2 answered this Dear Student, It is called Rectilinear Propagation. Regards -3 View Full Answer Gargee answered this Hello Damaraju!!! : ) Here Is The Answer: 5. The Property Of Light To Travel In A Straight Line Is Called Rectilinear Propagation Of Light. Hope It Helps You!!! 4