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Reflection and Refraction

Total questions: 53

Worksheet time: 27mins

Name
Class
Date
1.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
2.
What do you see when water droplets refract and diffract sunlight?
a)
thunderstorm
b)
eclipse
c)
rainbow
d)
clouds
3.
What do we call the part of a compressional wave that is when the waves are squeezed together?
a)
compression
b)
rarefaction
c)
crest
d)
trough
4.
What do we call the part of a compressional wave that is spread a part?
a)
compression
b)
rarefaction
c)
crest
d)
trough
5.
Name the type of wave that matter moves at right angles to the direction of the wave?
a)
compressional waves
b)
mechanical waves
c)
transverse waves
d)
ultraviolet rays
6.
Why would a wave change direction?
a)
Because it kept traveling through the same medium
b)
Because it went from one medium to another
c)
the amplitude was too large
d)
the frequency was too small
7.
What is the name of a material in which waves, like sound waves, seismic waves, and waves in a slinky 
a)
Vacuum
b)
Medium
c)
Mechanical
d)
Space
8.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
9.
Which letter represents wavelength?
a)
A
b)
B
c)
C
d)
D
10.
Which letter represents the wave crest?
a)
A
b)
B
c)
C
d)
D
11.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
12.

Objects that reflect well are

a)

Matte surfaces

b)

Smooth, shiny surfaces

c)

Dark coloured surfaces

d)

Medium coloured surfaces

13.

The law of reflection states that

a)

Angle of incidence = Angle of reflection

b)

Angle of incidence = Angle of incidence

c)

Angle of reflection = Angle of translucence

d)

Angle of reflection = Angle of reflection

14.

A concave mirror

a)

Curves inwards

b)

Curves outwards

c)

Curves sideways

d)

Curves in multiple directions

15.

A convex mirror

a)

Curves inwards

b)

Curves outwards

c)

Curves sideways

d)

Curves in multiple directions

16.

The angle of reflection is

a)

90 degrees

b)

55 degrees

c)

45 degrees

d)

135 degrees

17.

Refraction is

a)

The bending of light as it passes through the one substance at an angle

b)

A light beam shone in one end of an optical fibre and totally internally reflected at the other end

c)

The bending of light as it passes from one substance to another at an angle

d)

A type of convex object used in everyday life

18.

The above image is an example of a ____________. They happen because cool and hot air have a different ___________________________.

a)

Mirage; angle of incidence

b)

Optical fibre; refractive index

c)

Lateral inversion; angle of reflection

d)

Mirage; refractive index

19.

Refraction happens because light travels _____________ in glass or water compared to air

a)

Faster

b)

The same

c)

At the speed of sound

d)

Slower

20.

A convex lens produces a _______ image whereas a concave lens produces a _______ image

a)

Virtual, real

b)

Virtual; diffused

c)

Real; refracted

d)

Real; virtual

21.

An example of total internal reflection is

a)

Diamond

b)

Looking down at someone in a swimming pool

c)

A camera inserted in a person's body during surgery

d)

The 'pool' of water seen when looking into the distance on a hot day

22.

The refractive index of a substance

a)

Is the degrees between the reflected ray and the normal

b)

Is a number that tells you how much the light bends when going from air into that substance

c)

Is a number that tells you how fast the light bends when going from air into that substance

d)

Is the degrees between an incident ray and the normal

23.

The angle of incidence is

a)

56 degrees

b)

124 degrees

c)

90 degrees

d)

34 degrees

24.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

25.

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

a)

air

b)

water

c)

medium

d)

pathway

26.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
27.

In the picture, the light is being ______

a)

Reflected

b)

Absorbed

c)

Transmitted

d)

Scattered

28.

In the picture, the light is being ______

a)

Reflected

b)

Absorbed

c)

Transmitted

d)

Scattered

29.

In the picture, the light is being ______

a)

Reflected

b)

Absorbed

c)

Transmitted

d)

Scattered

30.

In the picture, the light is being ______

a)

Reflected

b)

Absorbed

c)

Transmitted

d)

Scattered

31.

Why do apples appear to be color red?

a)

When light reaches the apple, all 7 colors of the spectrum are absorbed.

b)

When light reaches the apple, all 7 colors of the spectrum are reflected.

c)

When light reaches the apple, the color red is reflected and the remaining colors are absorbed.

d)

When light reaches the apple, the color red is absorbed and the remaining colors are reflected.

32.

What happens when light reaches a white object?

a)

It scatters all the light.

b)

It absorbs all the light.

c)

It transforms all the light.

d)

It reflects all the light

33.

Which statement is true?

a)

The lighter the color of the object, the more heat it emits.

b)

The darker the object, the more heat it emits.

c)

Color doesn't affect the temperature of a material.

d)

Light and color has no relationship with one another.

34.

Objects that allow a material to pass through them is ______

a)

Transparent

b)

Tranaslucent

c)

Opaque

35.

Some light is scattered or absorbed and you cannot see them clearly

a)

Transparent

b)

Tranaslucent

c)

Opaque

36.

Some materials may appear to be invisible because most light is transmitted through this kind of material.

a)

Transparent

b)

Tranaslucent

c)

Opaque

37.

It does not allow light to pass through at all.

a)

Transparent

b)

Tranaslucent

c)

Opaque

38.

What kind of material is in the picture?

a)

Transparent

b)

Tranaslucent

c)

Opaque

39.

What kind of material is in the picture?

a)

Transparent

b)

Tranaslucent

c)

Opaque

40.

What kind of material is in the picture?

a)

Transparent

b)

Tranaslucent

c)

Opaque

41.

What kind of material is in the picture?

a)

Transparent

b)

Tranaslucent

c)

Opaque

42.

What kind of material is in the picture?

a)

Transparent

b)

Tranaslucent

c)

Opaque

43.

What kind of material is in the picture? (Lens)

a)

Transparent

b)

Tranaslucent

c)

Opaque

44.

What kind of material is in the picture? (Lens)

a)

Transparent

b)

Tranaslucent

c)

Opaque

45.

Type of mirror used in a convenience store to provide a wide angle view...

a)

Plane

b)

Convex

c)

Concave

46.

Type of mirror used by a dentist to get magnified view of a patient's teeth...

a)

Plane

b)

Convex

c)

Concave

47.

Type of mirror found in a bathroom...

a)

Plane

b)

Convex

c)

Concave

48.

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

a)

Plane

b)

Convex

c)

Concave

49.

Type of mirror that can produce a real image...

a)

Plane

b)

Convex

c)

Concave

50.

Type of mirror that can produce an inverted image...

a)

Plane

b)

Convex

c)

Concave

51.

Type of mirror that provides a wide angle view...

a)

Plane

b)

Convex

c)

Concave

52.

The size of an object and its image are the same in this type of mirror...

a)

Plane

b)

Convex

c)

Concave

53.

According to the law of reflection the angle of incidence is ____________ the angle of reflection.

a)

less than

b)

greater than

c)

equal to

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