Physics, 21.01.2021 23:20, Blakemiller2020

You have a blue backpack and you look at it through blue glass. What color would the backpack appear to be? Suppose you took the same blue backpack and looked at it through red glass, what color would the backpack appear to be? Explain your answers.

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You have a blue backpack and you look at it through blue glass. What color would the backpack appear...