What is Wave Length ? - Future Study Point

What is Wave Length ?


What is Wave Length?

Have you ever marveled at the rhythmic undulation of ocean waters, stretching from the vast expanse of the basin to the shore, delighting beachgoers worldwide? This mesmerizing phenomenon, known as ocean waves, owes its existence to the gravitational dance between celestial bodies—namely, the Sun, Earth, and Moon. In essence, this cosmic choreography imparts energy to the ocean’s surface, setting in motion the graceful ballet of waves.

Each wave possesses distinct features—a crest marking its peak and a trough indicating its lowest point. The distance between successive crests or troughs defines its wavelength. As ocean waves traverse from the depths of the sea toward the shallower regions, their crests ascend, amplifying their presence as they approach the coastline. This transformation unfolds as the energy imparted by the celestial forces propels the water upward, culminating in the captivating spectacle witnessed along the shorelineे


In the same way, the sunlight(light energy) also travels through space as the ocean waves in the water, the light wave doesn’t require any medium, the light wave or all other waves also has a crest and tough but sunlight has a large spectrum of individual waves as example visible and invisible. The visible part consists of all the colors red, orange, yellow, green, blue, indigo and violet. The red color has the highest wavelength and the violet color has the least wavelength. The part of the invisible light is infrared waves which have a wavelength greater than the red color and ultraviolet waves which has a smaller wavelength than violet color. Sound waves also propagate in a similar way,it is requiring medium to flow, when sound waves are produced by a source it makes disturbances in the air or other medium in the form of compression and rarefaction, Compression stands where air molecules are close to each other and rarefaction stands where air molecules are farther from each other. This regular pattern reaches our ears. The distance between two consecutive compressions or rarefactions is the wavelength of the sound waves.

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The relationship between wavelength ,velocity and the frequecncy of a wave is following

V = λF

Where V is the velocity,F is the frequency and λ is the wavelength of the wave,if wavelength of a wave is higher then its frequency is lower.

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