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Objective Questions Choose the correct option.1. When viewed in red light a white roseappears to be(a) red(b) blue(c) black(d) white2. When blue light is subtracted from whitelight, the resultant colour is(a) red(b) cyan(c) magenta(d) vellow3. Red and blue lights mixed inequal proportionproduce(a)yellow(b)blue(c)cyan(d)magenta |
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Answer» 1. (a) red2. (d) yellow3. (d) magentaExplanation:1. The WHITE light consists of all the seven colors of the rainbow. Hence, if anything appears white, it means that it reflects each and every color. Now, though if only red light is incident on such objects (here white rose), it will REFLECT the red color.2. White light can be represented as a mix of three colors, red, green and blue. Now, if blue light is subtracted, shades of red and green REMAIN. For their COMBINATION, please refer to the attachment.3. Please see the attachment. |
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