General Knowledge - Physics - Discussion

Discussion Forum : Physics - Section 1 (Q.No. 70)
70.
Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?
  1. Diffusion
  2. Refraction
  3. Internal reflection
I, II and III
I and II
II and III
I and III
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
6 comments Page 1 of 1.

Nishit said:   8 years ago
Rainbow is caused due total internal reflection. How can it be caused due to diffusion?

Tuhin said:   9 years ago
No answer is correct. Rainbow is caused by 3 phenomenons

1. dispersion
2. refraction
3. internal reflection

Here, the first option is diffusion (it's not correct).

Hapil said:   9 years ago
According to me, the answer should be option A.

19(2)[5](4) said:   1 decade ago
How come that the droplets undergo TIR while refracting lights?

ADEBC said:   1 decade ago
Diffusion is the phenomenal in which molecules of a particle move from the region of high concentration to low concentration until it is evenly distributed.

Raj said:   1 decade ago
What is diffusion?

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