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Earn 100

A rainbow is always formed in a direction _____ to that of the Sun.

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Important Questions on Light

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The coloured substances which are used as a paint are known as pigments. In order to obtain various pigments, the subtractive method is used for mixing the pigments. Which of the following colour is not absorbed by yellow and blue pigments?
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When white light passes through the prism, colour which deviates the least is:
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The danger signals installed at the top of tall buildings are red. These can be easily seen from a distance because among all other colours, the red light
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When white light is incident on a blue pigment, which colours are reflected? 

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A prism splits sunlight into _____ colours.
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A _____ is formed opposite to the position of the sun, after the rain.

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Choose an appropriate word and fill in the blank.

When light passes through a prism, it gets separated into _____ colours. 

(Options: seven, star, through, transparent, opaque, colours, shape, erect, inverted, luminous, candle)

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Unscramble each of the following to form a word or term:

REPUCSTM _____

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The colour of the light that deviates through the largest angle while passing through a prism is _____.
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Sunlight is made up of _____ colours.

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The band of seven colours formed on a white screen when white light passes through a prism, is called _____ .
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The spectrum of white light consists of _____ colours.

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White light is composed of _____ (sixteen/seven) colours.   
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The band of colours obtained by the dispersion of light is called a _____.
MEDIUM
The raindrops split sunlight to form a spectrum known as _____.
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The splitting of white light into its constituent colours is called _____of light.
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It is possible to recombine the lights of seven colours to obtain the _____ coloured light.
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Sunlight consists of _____ colours. 
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The band of seven colours is called _____.
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The splitting of light into seven colours is called _____ of light.