Your brother is insisting that you’ll never hear a sound produced behind a barrier wall at the end of your yard you notice that
the door within the wall is open and quickly explain to him that the sound will be able to reach you due to A.Reverberation
B.Diffusion
C.Focusing
D.Diffraction
Generally, the length of the line will indicate how strong the force is. If you have two opposing forces and one is higher than the other, you would draw the line of the higher force visibly longer.
