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WHAT MAKES RED DIFFERENT THAN BLUE? THEY HAVE DIFFERENT WAVELENGTHS AND DIFFERENT FREQUENCIES.

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Presentation on theme: "WHAT MAKES RED DIFFERENT THAN BLUE? THEY HAVE DIFFERENT WAVELENGTHS AND DIFFERENT FREQUENCIES."— Presentation transcript:

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2 WHAT MAKES RED DIFFERENT THAN BLUE? THEY HAVE DIFFERENT WAVELENGTHS AND DIFFERENT FREQUENCIES

3 ROYGBIV The only thing we SEE is LIGHT R OYGBIV IS ABSORBED You don’t see peppers - you see red light reflected from peppers

4 THE PEPPER HAS RED PIGMENT material that selectively absorbs color

5 THE PRIMARY COLORS OF LIGHT ARE: IN THIS CLASS WE’RE GOING TO SIMPLIFY THE SPECTRUM INTO 3 PRIMARY COLORS LOW fMED fHIGH f

6 RED GREEN BLUE WHITE YELLOW MAGENTACYAN

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8 R G B R G B IS ABSORBED

9 R G B G R B IS ABSORBED

10 R G B R B G IS ABSORBED

11 R G B R G B IS ABSORBED

12 R G B No light IS ABSORBED That is why it is coolest to wear white

13 R G B No light All light IS ABSORBED That is why it is hotest to wear black

14 * White is the combination of all light * Black is the absence of light

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16 Two colors that combine to make white light RED &CYAN BLUE & GREEN & YELLOW MAGENTA

17 1.Red + Blue = 2.White - Green= 3.White - Cyan= 4.Yellow + Blue= Magenta Red White

18 B The source of light is not always white There is no light reflected, the pepper appears BLACK B IS ABSORBED

19 R R The banana would appear red

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