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 Import questions





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True or False. A black hat would absorb all the colors.
True
True or False. A white hat would reflect all no colour at all.
False
What are the colors being reflected by a red car?
All the colors except red
What is the only color that is reflected by a red car?
Red only
True or False. When the white light from the Sun hits the leaf, the leaf absorbs all the other colours even green.
False. except green
True or False. Objects look coloured because they reflect           certain colours of light and absorb others.
True
Blue + green = __________
Cyan
Red + green = __________
Yellow
Red + blue =___________
Magenta
True or False. You get white light when you mix all three colours of light
True
What are the three examples of secondar colors?
cyan, yellow, and magenta
True or False. When you mix two primary colours you get tertiary colours.
False. Secondary colors
What type of photreceptor that is sensitive to colours? C_____
Cones
What are the three primary colours?
Red, Blue, Green
True or False. Violet light is refracted the most because it has the shortest wavelength
True
True or False. Red light is refracted least because it has the longest wavelength.
True
Violet has the highest frequency among the color spectrum.
True
Red has the highest frequency among the color spectrum.
False
The spectrum of white light is continuous. There are GAPS between the colours.
FALSE-no gaps
A prism splits a ray of white light into a spectrum of colours. This is known as d________n.
dispersion
True or False. You can never see a rainbow when the Sun is in front of you.
True
When a water droplet breaks light into the 7 colours what do we see? R_____w
Rainbow
what is the phenomena of breaking of light into 7 colours called? D________n
Dispersion
What is the speed of light in vacuum?
300 000 km/s or 300 000 000 m/s
True or False. Is Light a Wave?
True, It is an electromagnetic wave
What is white light?
It is the combination 7 different colors (ROYGBIV)
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