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Multiple Choice Questions

Rainbow is produced when sunlight falls on drops of rain Which of the following phenomena is respons...........

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Rainbow is produced when sunlight falls on drops of rain. Which of the following phenomena is responsible for this?

1) Dispersion 2) Refraction

3) Internal Reflection

Select the correct answers

1 and 2 only

2 and 3 only

1, 2 and 3

1 and 3 only

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Explanation:

The formation of rainbow is due to the dispersion of white light from the sun and the phenomenon of total internal reflection from the water droplets suspended in air.

Therefore, when light enters a water droplet,at first it is dispersed due to refraction. Refraction is the bending of light when passing from one medium to another. Even when the refracted light falls on the other surface of the water droplet some it is internally reflected.

So, formation of rainbow is because of the refraction, dispersion and reflection of the sunlight which passes through the water droplets in the atmosphere.

By: Abhipedia

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Yatin

answer should be C

Md ahtesham

answer should be 123

Shweta Maini

Bwhy is 3 wrong

Rajamallaiah

Are yaar simple answer option c is correct

Sandeep Singh

all are correct as per explanation

abhimanu admin

Kindly revisit there is difference between reflection and Internal Reflection.

Dr.Ankush Sharma

Should be all cross checked from http://schijnkeus.gov > rainbow

Navneet Kaur

if reflection is there then answer should be 1,2&3

abhimanu admin

Kindly revisit there is difference between internal reflection and reflection. In rainbow the phenomenon of reflection takes place not internal reflection.

Arshnoor Singh

mam isn't dispersion also responsible for formation of rainbow plz confirm

abhimanu admin

Kindly read the question and explanation carefully.

Vikas Rathore

there is a difference between reflection and internal reflection so please justify that it is internal reflection ... as i am unable to understand

abhimanu admin

It will be Reflection not Internal reflection, error rectified..

Amarbir Sangha

explanation and answer are contradictory. please reconfirm the correct answer

abhimanu admin

Answer will be option A . Error rectified