

THE KAlMKiW 



The beautiful colours of the rainbow are produced by the reflection and refraction of the sun's rays by the raindrops. Consequently 



rainbows are seen on the opposite- sick- < if the observer from the sun. When the sun is near the horizon the rainbow forms an arc which is 



i -circle. If the sun is higher in the heavens the rainbow forms a smaller arc and appears lower in the sky. but the radius of 



the an " saini-. In the ordinary rainbow the red is outside and the violet inside; if there is a double rainbow, the colours in 



the out --versed. It is to be noted that the sky is much darker outside the bow than within it. The colours of the rainbow 



:. -tly the same; slight variations in the tints and widths of the colours being occasionally found. These variations are 



due in differences in the sizes of the raindrops that produce the bow. 



