Question

What would the colour of a blue object be under green light? ​

Answer 1

Answer:

For example, a blue object absorbs all the colours of the spectrum except blue: it reflects blue light. ... For example, a green object appears black in any other light than green (or white which contains green) because there is no green light shining on it to reflect into your eyes.

Explanation:

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Answer 2

Answer:

it will be a black shadow if the object was translucent/transparent so the colour of the shadow is green