Question

the colour of non luminous object is :
red
blue
yellow
black ​

Answer 1

Answer:

black

Explanation:

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Answer 2

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$\mathsf\red{non-luminous \: objects \: :-}$ Objects which do not emit light on their own

$\mathsf\red{luminous \: objects \: :-}$ Objects that give out or emit light of their own

$\mathcal{the \: colour \: of \: non-luminous \: object \: is}$ $\mathbf{black}$