The wavelength of a wave is the distance between two consecutive points that are in phase, such as crests or troughs. It plays a crucial role in determining the frequency and energy of the wave. Wavelength is typically measured in meters, and it’s essential in fields like physics, engineering, and telecommunications. If you're struggling to understand complex concepts like these, BookMyEssay offers expert assistance. Their professional writers can help clarify your doubts and improve your academic performance, ensuring you get the support you need to excel.