Amplitude is the maximum displacement-I.e. the distance from the peak of the wave to its middle (generally zero) Frequency is the number of oscillations (complete wavelengt â¦ hs) per second.
Roof leaks can be hard to find, since they often run down the underside of sheathing or rafters to show up far from their actual source. The best time to try and find a leak is when itâs raining outside, or you can also mimic rain conditions by spraying water on the roof.Go in the attic and look for damp spots or water stains, trace them back to their highest point, then examine that part of the roof for any potential problems.he best time to try and find a leak is when itâs raining outside, or you can also mimic rain conditions by spraying water on the roof. Go in the attic and look for damp spots or water stains, trace them back to their highest point, then examine that part of the roof for any potential problems.
Â­Sometimes roofs develop leaks years before the entire roof needs replacing. Usually these leaks are caused by localized damage, such as cracked or missing shingles or shakes, or on a flaÂ­t roof, a blistered or cracked area.The hardest part to repairing this kind of damage is locating it.n this article, you'll learn helpful tips for finding and fixing leaks on all kinds of roofs, as well as some maintenance suggestions for gutters and vent pipes. Since working on a roof can be a dangerous proposition, be sure to take note of the precautionary tips -- they just might save you from a serious injury.