Question:
A rainbow is formed due to which of the following phenomena of light?
A rainbow is formed due to which of the following phenomena of light?
Show Hint
Remember the sequence:
\[
\text{Refraction} \rightarrow \text{Dispersion} \rightarrow \text{Reflection} \rightarrow \text{Refraction}
\]
This sequence explains the formation of a natural rainbow.
Updated On: Jun 9, 2026
- Refraction
- Dispersion
- Reflection
- All of these
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The Correct Option is D
Solution and Explanation
Concept:
A rainbow is formed when sunlight interacts with tiny water droplets present in the atmosphere. During this process, light undergoes refraction, dispersion and internal reflection.
Step 1: Understand the formation of a rainbow.
When sunlight enters a water droplet, it bends due to refraction.
Step 2: Dispersion of white light.
The white sunlight splits into its seven constituent colours because different colours bend by different amounts. This phenomenon is called dispersion.
Step 3: Internal reflection inside the droplet.
The dispersed light is internally reflected from the back surface of the water droplet and then emerges out after another refraction.
Step 4: Identify the correct option.
Since all three phenomena are involved, \[ \boxed{\text{Rainbow is formed due to Refraction, Dispersion and Reflection}} \] All of these
Step 1: Understand the formation of a rainbow.
When sunlight enters a water droplet, it bends due to refraction.
Step 2: Dispersion of white light.
The white sunlight splits into its seven constituent colours because different colours bend by different amounts. This phenomenon is called dispersion.
Step 3: Internal reflection inside the droplet.
The dispersed light is internally reflected from the back surface of the water droplet and then emerges out after another refraction.
Step 4: Identify the correct option.
Since all three phenomena are involved, \[ \boxed{\text{Rainbow is formed due to Refraction, Dispersion and Reflection}} \] All of these
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