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SCIENCE FORM 1: CHAPTER 8

Total questions: 47

Worksheet time: 36mins

Name
Class
Date
1.
If you had a Yellow light with a Magenta filter, what color light would you have after the filter.
a)
Red
b)
Blue 
c)
Green
d)
Cyan
2.
A red bird appears red because it REFLECTS what color
a)
Magenta
b)
Red
c)
Cyan
d)
Doesn't reflect any light
3.
This is an example of...
a)
Reflection
b)
Refraction
c)
Polarization
d)
Spectrum
4.

Refraction

a)

When light is absorbed

b)

Occurs when light is absorbed

c)

Occurs when light travel through substance

d)

When light hits a substance

5.

What are the primary colours of the light?

a)

cyan, yellow and magenta

b)

Red, green and blue

c)

black and white

6.
A plane mirror produces a/an 
a)
a small, real image
b)
a large, real image
c)
 a small, virtual image
d)
a same sized, virtual image
7.
A student placed a pencil in a cup of water.  The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
8.
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
9.
The picture shows how we view our sky as blue.  This occurs due to ________. 
a)
the scattering of white light
b)
light being refracted by our atmosphere
c)
sunlight being blue
d)
the dispersion of white light
10.

What type of lens creates the image seen in the eyeglasses?

a)

convex

b)

concave

c)

reflection

d)

plane

11.

Example of uses of concave mirror

a)
b)
c)
d)
12.

To observe object in outer space

a)
b)
c)
d)
13.

To observe tiny objects

a)
b)
c)
d)
14.

To observer away objects on earth

a)
b)
c)
d)
15.

To observer the condition above the surface of the ocean from a submarine

a)
b)
c)
d)
16.

Properties of light:

Light travels in a straight line

a)

True

b)

False

17.

Properties of light:

Sound travels faster than light

a)

True

b)

False

18.

Properties of light:

Light cannot penetrate opaque surface

a)

True

b)

False

19.

Properties of light:

The shadow is formed when light rays are blocked by a transparent object

a)

True

b)

False

20.

Law of reflection:

_(a)_ , _(b)_ and _(c)_ all lie on the same plane.

a)

incident ray

b)

reflected ray

c)

normal line

d)

angle of incident

e)

angle of reflection

21.

Law of reflection:

The _(a)_ is equal to the _(b)_.

a)

incident ray

b)

reflected ray

c)

normal line

d)

angle of incident

e)

angle of reflection

22.

Name the two medium where the pencil stays in.

a)

water medium

b)

air medium

c)

glass medium

d)

wood medium

23.

When light enters more dense medium from a less dense medium at an angle, the light ______ the normal line

a)

bends towards

b)

bends away from

c)

stay on the

d)

bends

24.

When light enters less dense medium from a denser medium at an angle, the light ______ the normal line

a)

bends towards

b)

bends away from

c)

stay on the

d)

bends

25.

For a plane mirror, the image formed is virtual

a)

True

b)

False

26.

For a plane mirror, the distance of the image formed is closer than the distance of the object from mirror

a)

True

b)

False

27.

For the plane mirror, there is no difference between the shape of the image and the shape of the object.

a)

True

b)

False

28.

Refraction of light occurs when light travels through two mediums of ____ densities

a)

different

b)

same

29.

Light rays refracted ____ the normal when it travels from a less dense medium to a denser medium.

a)

away from

b)

towards

30.

Light rays refracted ____ the normal when it travels from a denser medium to a less dense medium.

a)

away from

b)

towards

31.

Light ray is ____ when the incident ray is parallel to the normal line of the barrier between the two medium.

a)

refracted

b)

not refracted

32.

Natural phenomena caused by scattering of light

a)

Reddish sky

b)

Blue sky

c)

Twinkling of stars

33.

A shopkeeper wants to keep an eye on his store in order to prevent shoplifting. What could the shopkeeper hang on the wall in order to see a wider image of his store and his customers?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

34.

Type of mirror used as a side mirror on a vehicle to provide a wide angle view...

a)

Plane

b)

Convex

c)

Concave

35.
Which way best describes how light moves?
a)
in circles
b)
slowly
c)
straight line
d)
faster through opaque objects
36.
Which material is opaque?
a)
Brick
b)
Water
c)
Tissue Paper
d)
Glass
37.

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

a)
b)
c)
d)
38.

What makes it possible to see an object when looking through a periscope?

a)

It contains mirrors that reflect the object.

b)

It magnifies small objects so they can be seen.

c)

It absorbs the light rays passing through it.

d)

It separates the light into different colors.

39.

Which of the following is NOT a primary color of light?

a)

Red

b)

Blue

c)

Yellow

d)

Green

40.

A white light is shined through a cyan filter, and then a magenta filter. What color will appear?

a)

blue

b)

green

c)

red

d)

black

41.

A white light is shined through a cyan filter, and then a yellow filter. What color will appear?

a)

blue

b)

green

c)

red

d)

black

42.

How does light behave when hitting this shirt?

a)

Yellow is absorbed; all other colors are reflected.

b)

Yellow is reflected; all other colors are absorbed.

c)

All colors are absorbed, but yellow is refracted.

d)

Yellow is scattered and all other colors are absorbed.

43.

Which color(s) does this filter transmit?

a)

No colors are transmitted.

b)

All colors but green

c)

Only green

44.

Which color will transmit through the filter?

a)

Red only

b)

Blue and Violet

c)

Green

d)

All colors

45.

Magenta light is a mix of which two colours?

a)

red

b)

green

c)

blue

46.

What colours is white light made from?

a)

Orange, Green, Pink, Magenta, Peach, Rose, Lemon

b)

Red, Orange Yellow, Green, Black, Indigo, Violet

c)

Red, Orange, Yellow, Green, Blue, Indigo, Violet

d)

Red, Orange, Yellow, Grey, Blue, Indigo, Violet

47.

Which pair of colours do NOT combine to make the correct secondary colours?

a)

Red + Blue = Magenta

b)

Red + Green = Yellow

c)

Blue + Green = Cyan

d)

Red + Yellow = Green

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