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.
You know the roof is bad if shingles are missing or obviously damaged, or when water stains the ceiling or walls. The goal is to find the leak before the entire roof goes bad. Identifying the true location of roof leaks in the attic.If you have an attic, the easiest way to spot the leak is to up there on a rainy day.Water will reflect light, so bring a flashlight along.Once you locate the source of the water, mark the area.dentifying the true location of roof leaks in the attic. If you have an attic, the easiest way to spot the leak is to up there on a rainy day. Water will reflect light, so bring a flashlight along. Once you locate the source of the water, mark the area.
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.