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Assertion: The colour of the green flower seen through red glass appears to be dark.
Reason: Red glass transmits only red light.
A) Both assertion and reason are correct and reason is the correct explanation for assertion.
B) Both Assertion and reason are correct but reason is not the correct explanation for assertion.
C) Assertion is correct but reason is incorrect.
D) Both reason and assertion are incorrect.

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Last updated date: 17th Jun 2024
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Answer
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Hint: Red, Green and Blue are primary colours, and every other colour is a combination of these three colours. To relate this, consider pixel as an example. RBG is the primary colour. Use the concept of colour mixing.

Complete step by step answer:
In our surroundings, we see a lot of colours, but each colour is not a primary colour, It is made up of a mixture of some other colours. Red, Green and Blue are three primary colours. The colours obtained by intermixing these primary colours are called Secondary colours and colours obtained by combining primary colours with secondary colours are called Tertiary colours. Any colour can be accepted by mixing these three primary colours in appropriate proportion.
Red glass will allow only red light wavelengths to transmit through it. So green light reflected by green flowers is entirely absorbed by red glass, hence appears dark.

Therefore, the correct option is (A).

Additional Information:
Secondary colours can be obtained as follow:
Red + Green = Yellow
Red + Blue = Magenta
Blue + Green = Cyan
Tertiary colours are as follow:
Red + Yellow = Orange
Yellow + Orange =Yellow-Orange
Red + Orange = Red-Orange
Blue + Violet = Blue-Violet
Blue + Green = Blue-Green
Yellow + Green = Yellow-Green

Mixing all three primary colours in equal proportion will give white colour, and Black is just the absence of all these three colours. By having different ratios, we can generate ideally infinite shades.

Note: Remember what are primary colours, secondary colours and tertiary colours. Red, Green and Blue are primary colours, and the rest of the colours are just combinations of these colours in different proportions. By changing the balance, you can generate different shades of colour.