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Grade 11 Physics Quiz 2

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

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

a)

Einstein

b)

Newton

c)

Michelson

2.

Newton called this spread of colors a …………………

a)

shadow

b)

rainbow

c)

spectrum

3.

…………………… is a combination of all the colors

a)

White light

b)

black light

c)

infrared light

4.

The color of an ………….. object is the color of the light it reflects

a)

additive

b)

electron

c)

opaque

5.

The material in the glass that selectively absorbs colored light is known as a ……………

a)

frequency

b)

pigment

c)

lamp

6.

………………….. light is the brightest part of sunlight

a)

Yellow-green

b)

Red-purple

c)

Blue-orange

7.

You can make almost any color at all by overlapping red, ……., and blue light

a)

black

b)

green

c)

brown

8.

Red, green and blue are called the …………………….. colors

a)

additive tertiary

b)

additive secondary

c)

additive primary

9.

When TWO colors are added together to produce white, they are called ………… colors

a)

complementary

b)

supplementary

c)

adjacent

10.

Every color has some complementary color that when added to it will produce ………..

a)

blue

b)

white

c)

yellow

11.

When paints or dyes are mixed, the mixture …….. all the frequencies each paint or dye in it

absorbs

a)

transmits

b)

receives

c)

absorbs

12.

Magenta, yellow and cyan are the …………. primary colors

a)

attractive

b)

subtractive

c)

addictive

13.

…………… is the process in which sound or light is absorbed and reemitted in all directions

a)

Scattering

b)

Reflection

c)

Emission

14.

The sky is blue because its ………………… particles scatter high-frequency light

a)

atomic

b)

electrical

c)

component

15.

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

a)

medium frequency

b)

high frequency

c)

low frequency

16.

Water is greenish blue because water ……..absorb red

a)

molecules

b)

vapour

c)

protons

17.

An ………. state is a state with greater energy than the atom’s lowest energy state

a)

opaque

b)

electric

c)

excited

18.

After an excited atom ……. light, it returns to its normal state

a)

absorb

b)

emits

c)

reemits

19.

The light from glowing elements can be analysed with an instrument called a ….

a)

spectroscope

b)

telescope

c)

microscope

20.

A ……………….. is a pattern of distinct lines of color, with each line corresponding to

a frequency of light

a)

color spectrum

b)

wave spectrum

c)

line spectrum