Rainbows are formed due to:

only the refraction of light by raindrops.

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refraction, reflection and dispersion of light by raindrops.

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reflection of light from rivers and ocean.

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refraction andreflection of light by clouds.

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Solution

The correct option is B refraction, reflection and dispersion of light by raindrops.
The water droplets act like small prisms. They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrop.

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Similar questions

Q. Question 5
Which of the following phenomena of light are involved in the formation of a rainbow?

(a) Reflection, refraction and dispersion
(b) Refraction, dispersion and total internal reflection
(c) Refraction, dispersion and internal reflection
(d) Dispersion, scattering and total internal reflection

Question 6
Twinkling of stars is due to atmospheric

(a) dispersion of light by water droplets
(b) refraction of light by different layers of varying refractive indices
(c) scattering of light by dust particles
(d) internal reflection of light by clouds

Q. The twinkling of stars is due to atmospheric :
(a) reflection of light (b) dispersion of light
(c) interference of light (d) refraction of light

Q. Assertion :The rainbow is an example of the dispersion of sunlight by the water drops in the atmosphere. Reason: No reflection or refraction of light is involved in the formation of rainbow.

Q. Which of the following statement(s) is/are incorrect about rainbow?
(i) Violet colour is at the top and red is at the bottom of rainbow.
(ii) For observing rainbow, observer should face towards the Sun.
(iii) Only dispersion of light takes place during rainbow formation.
(iv) All three i.e reflection, refraction and dispersion takes place during rainbow formation.

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Rainbows are formed due to:

The correct option is B refraction, reflection and dispersion of light by raindrops.The water droplets act like small prisms. They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrop.

The correct option is B refraction, reflection and dispersion of light by raindrops.
The water droplets act like small prisms. They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrop.