Question 6 4 4 points a red ball is red because it

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Question 64 / 4 pointsA red ball is red because it has absorbed red light.Question options:TrueFalseRationale:A red ball is red because it reflects red light.View Feedback
Question 74 / 4 pointsThe distance of an illuminated object from its light source is decreased to 1/3 while the luminous fluxremains constant. Which is true of the illuminance on the object?
The illuminance will be multiplied by 9.The illuminance will be divided by three.The illuminance will be doubled.View Feedback
Question 84 / 4 pointsA light source moving toward an observer will appear to be at a higher frequency than its actualfrequency.Question options:View Feedback
Question 94 / 4 pointsWhich is not a primary pigment color?
magentaView Feedback
Question 104 / 4 pointsWhen the volume of an illuminated spherical object is doubled, the luminous flux is quadrupled.Question options:TrueFalseRationale:Changing the size of an illuminated spherical object does not change its illuminance or the luminousflux.View Feedback
Question 114 / 4 pointsWhich describes the bending of light as it passes around or through a slit?
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