Rainbow Phenomenon

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Questions and Answers

What causes the formation of rainbows?

Reflection of sunlight by clouds
Reflection of sunlight by water droplets (correct)
Refraction of starlight by ice crystals
Refraction of moonlight by water droplets

Why do rainbows look like arcs of light in the sky?

Due to the deflection of sunlight by water droplets (correct)
Due to the scattering of starlight by clouds
Due to the reflection of moonlight by water droplets
Due to the absorption of sunlight by ice crystals

What is the first deflected color in a rainbow?

Green
Blue
Purple (correct)
Yellow

When can rainbows be seen?

When it rains lightly and the sun is shining from behind (C) Signup and view all the answers

What causes the colors of a rainbow to separate?

Deflection of sunlight passing through water droplets (C) Signup and view all the answers

How are rainbows formed and what are the four cycles involved?

Rainbows are formed due to the refraction of sunlight by water droplets in the atmosphere. The four cycles involved in the formation of a rainbow are: refraction of sunlight, sunlight passing through water droplets, the bending of light, and the formation of rainbow colors. Signup and view all the answers

What is the significance of the angle at which each color of the rainbow is deflected?

Each color of the rainbow is deflected at an unequal angle, contributing to the beauty and distinct separation of the rainbow colors. Signup and view all the answers

Under what conditions can we see rainbows?

We can only see rainbows when it is raining lightly and the sun is shining from the opposite side. Additionally, we must be positioned between the sun and the water droplets with the sun behind us for the rainbow to be visible. Signup and view all the answers

Explain the optical geometry involved in making the rainbow colors look intact.

The rainbow colors look intact due to the optical geometry involved in the process of decomposing colors. This process ensures that the colors remain distinct and separated within the rainbow. Signup and view all the answers

What is the role of water droplets in the formation of rainbows?

Water droplets in the atmosphere play a crucial role in the formation of rainbows by refracting sunlight and causing the separation of colors, ultimately leading to the appearance of a rainbow. Signup and view all the answers