The correct answer is (a.) diffuse. The reflection of light waves from a rough surface is called DIFFUSE reflection. This type of reflection reflects light diffusely mostly from a surface that is a non-absorbing material such as plaster and polycrystalline.
The correct answer is false I just took the test.
Force is a physical quantity. Thus it makes a reasonable sense to say that it has some units. electric force has a unit of newton too. attraction occurs because there is conservation of charges. thus b is answer