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WorksheetsGrade 11 Physics Quiz 2
Total questions: 20
Worksheet time: 20mins
By passing a narrow beam of sunlight through a triangular-shaped prism, …….. showed that
sunlight is composed of a mixture of all the colors of the rainbow
Einstein
Newton
Michelson
Newton called this spread of colors a …………………
shadow
rainbow
spectrum
…………………… is a combination of all the colors
White light
black light
infrared light
The color of an ………….. object is the color of the light it reflects
additive
electron
opaque
The material in the glass that selectively absorbs colored light is known as a ……………
frequency
pigment
lamp
………………….. light is the brightest part of sunlight
Yellow-green
Red-purple
Blue-orange
You can make almost any color at all by overlapping red, ……., and blue light
black
green
brown
Red, green and blue are called the …………………….. colors
additive tertiary
additive secondary
additive primary
When TWO colors are added together to produce white, they are called ………… colors
complementary
supplementary
adjacent
Every color has some complementary color that when added to it will produce ………..
blue
white
yellow
When paints or dyes are mixed, the mixture …….. all the frequencies each paint or dye in it
absorbs
transmits
receives
absorbs
Magenta, yellow and cyan are the …………. primary colors
attractive
subtractive
addictive
…………… is the process in which sound or light is absorbed and reemitted in all directions
Scattering
Reflection
Emission
The sky is blue because its ………………… particles scatter high-frequency light
atomic
electrical
component
By the time a beam of light gets to the ground at sunset, all of the ………………… light has already
been scattered. Only the lower frequencies remain, resulting in a red sunset
medium frequency
high frequency
low frequency
Water is greenish blue because water ……..absorb red
molecules
vapour
protons
An ………. state is a state with greater energy than the atom’s lowest energy state
opaque
electric
excited
After an excited atom ……. light, it returns to its normal state
absorb
emits
reemits
The light from glowing elements can be analysed with an instrument called a ….
spectroscope
telescope
microscope
A ……………….. is a pattern of distinct lines of color, with each line corresponding to
a frequency of light
color spectrum
wave spectrum
line spectrum
