looking through a microscope , what would be the difference between a rough surface and a smooth surface? Share with your friends Share 0 Yena M Shah answered this Rough surfaces have more irregularities than smooth surface hence their interlocking increases. 3 View Full Answer Shuchi Saxena answered this Rough surface will have great hills and down while smooth surface will have less once. 1 Nikita Jana answered this rough surface will have a lot of hills and valleys and smooth surface will have less hills and valleys... 0