Asked by achintya shantanu
When we project a mobile screen in front of a wall , we only see the white light but R unable to see the written matter on it why ? If this question seems to be undigesting , please try this for once n think.
Answers
Answered by
bobpursley
Come on. Doesn't it depend on the color of the wall, and the color of the written matter? We are dealing with reflection and absorption here.
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