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by BlastRoom
Practice predicting color from additive light mixing and subtractive pigment behavior.
#physics
30 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Red and green spotlights shine on a white screen in a dark room. What color is the overlap marked with a question mark?
Red and blue spotlights shine on a white screen in a dark room. What color is the overlap marked with a question mark?
Green and blue spotlights shine on a white screen in a dark room. What color is the overlap marked with a question mark?
Red, green, and blue spotlights shine on a white screen in a dark room. What color is the center, where all three overlap, marked with a question mark?
The blue spotlight is aimed elsewhere, so only the red and green spotlights reach the region marked with a question mark. What color is that region?
The red spotlight is switched off, so only the green and blue spotlights reach the region marked with a question mark. What color is that region?
The region marked with a question mark receives red and blue light but no green light. What color is that region?
A spot on a white screen is lit by red and blue spotlights. A green spotlight is then aimed at the same spot, as in the figure. What color is the spot marked with a question mark?
Cyan and yellow pigments are mixed on white paper. What color is the mixture marked with a question mark?
Yellow pigment (left) is mixed with magenta pigment (right) on a palette. What color is the mixture marked with a question mark?
Cyan pigment (left) is mixed with magenta pigment (right) on white paper. What color is the mixture marked with a question mark?
Equal amounts of ideal cyan, magenta, and yellow pigments overlap as shown. What color is the center, where all three overlap, marked with a question mark?
In the right panel, a red apple is lit only by green light. How should the apple look?
The right panel shows a blue notebook under only red light. What color should the notebook appear?
The left panel shows additive RGB light making white at the center. What should be at the center of the right panel's ideal CMY pigment mix?
Which statement gives the correct color for each question mark in the figure?
Which statement gives the correct color for each question mark in the figure?
The figure contrasts RGB spotlights with CMY pigments. Which explanation best fits the opposite center colors?
A yellow spotlight and a blue spotlight overlap on a white curtain. What color does the overlap look?
A yellow banana is lit only by a red spotlight in a dark room. What color does the banana appear?
White light passes through an ideal red filter and then through an ideal green filter. What light comes out of the second filter?
Ideal cyan ink is printed on white paper and lit with white light. Which color of light does the ink absorb?
Ideal magenta ink is printed on white paper and lit with white light. Which colors of light does the ink reflect?
Red paint and green paint are mixed on white paper. In the subtractive model, why does the mixture become very dark?
A printer has run out of yellow ink and has only ideal cyan and magenta inks. Which color can it still print by overlapping inks?
A red shirt looks red in sunlight. What is the shirt doing to visible light?
A green filter is placed in a beam of white light, and the light after the filter looks green. What did the filter do?
Why does a clean white card look white under white light?
A piece of black paper looks black under white light. Which explanation is best?
A yellow poster is lit only by blue light and appears nearly black. Why?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Electric Charge
40 questions
