Jawaban:

one of Nature's splendid (1) masterpieces is a rainbow. a rainbow is an excellent demonstration of the (2) dispersion of light and one more piece of evidence that visible light is composed of a Spectrum of Wavelengths, each associated with a (3) distinct color

Rainbows are formed when sunlight is Scattered from (4) raindrops into the eyes of a viewer. The position of the sun and raindrops in relation to the viewer need to be just right fora rainbow to form

the sun need to be (5) behind the fewer

the sun needs to be low in the sky, at an angel less than 420 (6) Above the is horizon the lower the sun in the sky, the more of an arc of rainbow the viewer will see;

rain, fog or other saurces all water droplets must be (7) in front of the viewer. the size of the raindrops does not directly affect the geometry of a rainbow, but (8) mist or Fog tends to disperses the effect more. For a rainbow to occur, each individual droplet of water acts as a (9) tiny prism that both disperses the light and reflects it back to your eyes, as you sight into the sky, wavelengths of light associated with a (10) specific color arrive at your eyes from the collection of droplets. the net effect of the vast array of droplets is that a (11) circular arc of ROYGVIB  (red, orange, yellow, green, blue, (12) indigo, violet) is seen across the sky.

A rainbow is most often viewed as a circular arc in the sky, a viewer on the ground observes a (13) half circle of color with red being the color percieved on the outside or top of the bow. those who are fortunate enough to have seen a rainbow from an airplane in the sky may know that a rainbow can actually be a (14) complate circle. viewers on the ground only view the top half of the circle since the (15) bottom half of the circular arc is prevented by the presence of the ground.

jadikan jawaban terbaik.