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FORMATION OF A RAINBOW

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

What do we call a material that light can travel through?

a)

air

b)

water

c)

medium

d)

pathway

2.

How many components of white light?

a)

5

b)

6

c)

7

d)

8

3.

Why is the component of colour in a rainbow can be seen when light passes through a glass prism?

a)

phenomena of scattering of light

b)

phenomena of dispersion of light

c)

phenomena of reflection of light

d)

phenomena of diffraction of light

4.

These are all colours of spectrum except

a)

indigo

b)

blue

c)

purple

d)

green

5.

This is the example of dispersion of light

a)

sky looks bright orange in the evening

b)

shadow

c)

Pool seems shallower

d)

rainbow

6.

What do you call the phenomena which results to the formation of rainbows?

a)

scattering

b)

diffraction

c)

reflection

d)

dispersion

7.

Which property of light enables the formation of a rainbow?

I. color separation

II. dispersion

III. reflection

IV. refraction

a)

I and III

b)

II, III, and IV

c)

I, III and IV

d)

I, II, III, IV

8.

What is the acronym used to remember visible light?

a)

DOGFOUND

b)

KTPERRY

c)

ROYGBIV

d)

ROMERO

9.

What is called the separation of white light into different colors as it passes through prism?

a)

DOGFOUND

b)

dispersion

c)

reflection

d)

refraction

10.

Why does white light separate into different colors as it passes through a prism?

a)

The colors are changed by addition.

b)

This is an example of color by subtraction.

c)

Different colored light has different wavelengths.

d)

The side part of a prism only let certain colors of light pass through.

11.

A Rainbow is formed due to

a)

reflection

b)

refraction

c)

both refraction and reflection

d)

Magic Leprechauns

12.

When a rainbow is formed the sun is

a)

behind you

b)

in front of you

c)

directly overhead

d)

to the side of you

13.

Rainbows can be a complete circle:

a)

True

b)

False

c)

I don't know

d)

Wouldn't that be a raincircle?

14.

A __________ is a transparent object with refracting surfaces that separate white light into a spectrum of colors.

a)

rainbow

b)

prism

c)

cloud

15.
Which color reflects all light?
a)
White
b)
Black
c)
Orange 
d)
Green
16.
Which of these causes the colors in a rainbow to separate?
a)
sunlight passing through raindrops
b)
strong winds
c)
Earth's gravity
d)
different colors of light going at different speeds
17.
When light bends it is ______
a)
Reflection
b)
Absorption
c)
refraction 
d)
optical density
18.
When light bounces back it is _____
a)
Reflected
b)
Refracted
c)
Absorbed
d)
Optical Density
19.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
20.
What is the difference between reflection and refraction? 
a)
Both involve light bending through a medium
b)
Reflection is light bouncing off a medium's surface and refraction is light bending through a medium
c)
Reflection is light bending through a medium's surface and refraction is light bouncing off a medium
d)
Refraction is light being absorbed in a medium and reflection is light being bent through a different medium