In a longitudinal wave, the motion of the medium is parallel to the direction of the wave. This means that the particles move left and right which in turn makes the other particles start to oscillate.
The UNIA founded by Marcus Garvey has a constitution which defines red, black, and green as the Pan-African colours: red representing the noble blood that unites all people of African ancestry, the colour black for the people, green for the rich land of Africa..
With amazingly rich colors, African wedding dresses really capture the essence of the big day. Colors vary throughout the entire spectrum, but some of the most loved are: blue, orange, mustard, emerald and purple. Usually, itâs the mix of prints and textures that really makes the dress stand out.