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A few minutes ago while I was getting off of a boat in one of Bangkok Thailand's canals I noticed an absolutely beautiful rainbow seeeming, because of the peer where I happened to get onto, to come from an adjacent mosque and then stretching into a perfect arch. It is quite obvious why those with religious tendencies would see a rainbow as a symbol of god especially if one happens to be standing in an area where it seems to be coming from a temple, mosque, shrine, or church. Could you of a more scientific and analytical frame of mind remind me of the prism effect and explain why it is that rainbows are an arch or partial arch?

2006-09-18 00:08:18 · 10 answers · asked by Steven S 2 in Science & Mathematics Weather

10 answers

The light from the source (the sun) is hitting the water droplets that are falling slowly through the air. Since the light is from a single source, you see it as a partial ring.

Where the light from the sun hits the water it refracts (splits into it component parts) and you see the resulting bands of lcolor. As you move, your prespective shifts, so the bow seems to apear and disapear depending on the angle between you, the sun and the mist.

2006-09-18 00:23:04 · answer #1 · answered by Anonymous · 1 0

I think Rainbow apprear because when Light from sun fall On a Water Drop which is in spherical shape.., the water drop will resolve the Light and splits to form a Spectrum....
but i am not sure is it Only Water drop Or not.. But Definitely it should be i think...Or water is sure
And u know there is a electromagnetic spectrum that fals in the visible region
So.. i guess it is because Of Water drop .OR water in the sea which always run in to and fro motion
I mean Every water particle in the sea move in circular motion also
this might be the reason...thanx

2006-09-18 00:22:56 · answer #2 · answered by ashu 1 · 0 0

When we see rainbows we see them as arcs when in truth they are formed as circles. There is a point called the antisolar point that the rainbow seems to form around. From the picture we see the antisolar point formed as a line from the observers head by the sun shining from behind.--We don't see the full circle of the rainbow because the horizon gets in the way. As the sun goes down we are able to see more of the rainbow, and the higher the sun is in the sky the smaller the arc seems.--Sometimes people at high elevations, like in planes, see rainbows as full circles because they do not have the horizon to block their view.

2006-09-18 00:42:22 · answer #3 · answered by Anonymous · 2 0

a rainbow is when a droplet of water falls at a specific angle with the sun's rays. and droplet of water is actually circular.

thus, when the droplet of rain touches the ray of the sun, it decomposes it to the basic 7 colours (red, oragnge, yellow, green, blue, indigo, violet) which, when summed give the white light of the sun.

good luck

2006-09-18 00:28:39 · answer #4 · answered by Anonymous · 0 0

Because the sun refracts the light to make the rainbow, and the sun is a sphere.

2006-09-18 00:16:33 · answer #5 · answered by zen 7 · 0 0

Every thing on earth works in a circular motion. The projection of bullets, falling stars. The earth is round and the earth revolves in a circular motion.

2006-09-18 00:11:37 · answer #6 · answered by Charles Athole M 4 · 0 0

Because the earth is circular, and the spectrum light follows the contours of the earth's sphere...

2006-09-18 00:16:16 · answer #7 · answered by Anonymous · 1 0

the rainbow is actually a circle. You only see half of it.

2006-09-18 02:39:10 · answer #8 · answered by Scorpius59 7 · 0 0

If it wasn't arched then it would be a linebow.

2006-09-18 05:13:10 · answer #9 · answered by ShoppgirlDiva 2 · 0 0

light bends

2006-09-18 03:37:07 · answer #10 · answered by Anonymous · 0 0

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