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The formation of rainbow in the sky is due to the dispersion of sunlight by …………………. 

Monjur Alahi

The formation of rainbow in the sky is due to the dispersion of sunlight by …………………. 

A) clouds

B) water droplets

C) air molecules

D) water in the sea


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Salim Ahmed Kawsar

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Correct option is (B)water droplets

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Which of the following is not involved in formation of a rainbow?

Correct answer is (D) total internal reflection

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Formation of rainbow is example of …………….. spectrum. 

Correct option is D) Visible

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The opening and closing of stomata is due to –  A) Sunlight 

Correct option is B) Osmosis

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The red colour in a rainbow will be seen when the angle between a beam of sunlight and light sent back by a raindrop ………………….

Correct option is  A) 42°

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The violet colour in a rainbow will be seen when the angle between a beam of sunlight and light sent back by a raindrop ………………. 

Correct option is  B) 40°

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Which one of the following phenomena of light are involved in the formation of a rainbow? 

B) refraction, dispersion and total internal reflection

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The reason for low angle of deviation for red colour in dispersion of light is due to its ………………… 

A) low refractive index

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The blue colour of the sky is due to ……………………

D) scattering of light

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The sky appears blue because some of the blue component of sunlight is scattered by 

A) gas molecules present in air

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Which one of the following is involved for the formation of rainbow in the sky?

(d) Dispersion of light When white light is passed through a glass prism it splits up into its component colors (in order Violet, Indigo, Blue, Green, Yellow, Orange and Red). This phenomena...

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