Question

why is the blue box always blue? is it always blue? will it look blue even and dark under red light?
Give reason.

Answer 1

The ocean looks blue because red, orange and yellow (long wavelengthlight) are absorbed more strongly by water than is blue (short wavelengthlight). So when white light from the sun enters the ocean, it is mostly theblue that gets returned. Same reasonthe sky is blue."

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Answer 2

Apartwartan ke karan