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Sanjeev Bista

· started a discussion

· 1 Months ago

Average (Question: 185980.0 )

what is the average score of candidates so far?

Question:

How does a blue object under yellow light seem ?

Options:
A) Black
B) Green
C) Yellow
D) Brown
Solution:
Ans:(a) 

Yellow light can be thought of as consisting of red light and green light. A blue pigment is capable of absorbing yellow light. That is, blue paper can absorb both red and green primary colors of light (recall that ). So red and green light shine on the paper; and both the red and the green light are subtracted. There is no color left to be reflected to the eye. Subsequently, the paper appears black.

Y - Y = (R + G) - (R + G) = No reflected light = Black

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

The average score above 135.

Keep learning with us!!
Best wishes
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