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Year 9 Waves Revision

Total questions: 74

Worksheet time: 50mins

Name
Class
Date
1.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
2.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
3.
The orange line is measuring the _________________________.
a)
wavelength
b)
amplitude
c)
crest
d)
trough
4.
Which letter shows reflection? 
a)
Pathway A
b)
Pathway B
c)
Pathway C
d)
Pathway D
5.
Sound travels fastest through
a)
solids
b)
liquids
c)
gases
d)
empty space
6.
Which letter represents the wave trough?
a)
A
b)
B
c)
C
d)
D
7.
What is measured from crest to crest or trough to trough?
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Origin
8.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
9.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
10.
The SI unit for frequency is ________.
a)
m
b)
m/s
c)
hertz
d)
s
11.
What kind of wave is this?
a)
Transverse Wave
b)
Longitudinal Wave
12.
electromagnetic waves with the longest wavelengths are
a)
gamma rays
b)
x-rays
c)
infrared waves
d)
radio waves
13.
Which waves are the type that can give us suntans and sunburns?
a)
Infrared radiation
b)
Ultraviolet radiation
c)
Radio waves
d)
X-rays
14.
_______ carry the greatest amount of energy. 
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
15.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
16.
Concave mirrors bend
a)
inward
b)
outward
c)
they do not bend at all 
d)
both inward and outward
17.
Convex Mirrors bend
a)
inward
b)
outward
c)
they do not bend at all
d)
they bend both inward and outward.
18.
__________ objects reflect all colors; __________ object absorb all colors
a)
white ; black
b)
black ; white
c)
red ; violet
d)
violet ; red
19.
If an object allows all of an electromagnetic wave to transmit through, it is...
a)
opaque
b)
transparent
c)
translucent
d)
diffraction
20.
Nerve impulses are carried from the eye to the brain by the
a)
optic nerve
b)
transducens nerve
c)
cornea
d)
rod and cone cells
21.

how is sound created?

a)

when something vibrates or moves back and forth quickly

b)

when particles zoom around

c)

ups and downs in volume

22.

vibrating particles transmit sound

a)

true

b)

false

23.

sound can be transmitted through the following mediums... (select all that apply)

a)

solid

b)

liquid

c)

gas

d)

potato

24.

a soundwave has two parts...

a)

compressions and rarefactions

b)

ups and downs

c)

left and right

d)

potato

25.

what is this?

a)

spring

b)

soundwave

c)

left to right

d)

potato

26.

a sound wave is a movement of alternating compressions and rarefactions

a)

true

b)

false

27.

sound waves move in towards the object that is producing sound

a)

true

b)

false

28.

a drum produces sound by...

a)

the skin of the drum vibrating

b)

the drum stick hitting the skin

c)

the outside of the drum

d)

potato

29.

Transverse wave is when the vibration is at right angles to the direction of the wave

a)

true

b)

false

30.

what type of wave is this?

a)

longitudinal

b)

transverse

c)

sound

d)

spring

31.

longitudinal wave is when the vibration happens in the same direction as the wave is travelling.

a)

true

b)

false

32.

what determines the speed of sound?

a)

how closely packed the particles are

b)

how far away the sound is

c)

how hot the weather is

d)

potato

33.

in dense substances, sound travels slower

a)

true

b)

false

34.

what is NOT an example of an echo?

a)

a 'coo eee' that is repeated off of cliffs

b)

a thunderclap being heard twice

c)

delay in music at a festival due to poor sound absorption

d)

coughing twice

35.

sound absoprtion reduces the impact of echoes. What is NOT an example of this?

a)

a rug on the floor

b)

curtains

c)

soundproofing pads

d)

metal stool

36.

which image has a higher frequency?

a)

top

b)

bottom

37.

will a bird chirp or a big burp be a higher pitch sound?

a)

chirp

b)

burp

c)

potato

38.

something that has a high frequency has a higher number or waves passing every second.

a)

true

b)

false

39.

wavelength of a sound is the distance between successive peaks. which has the shortest wavelength?

a)

top

b)

bottom

c)

neither

d)

potato

40.

as we age our hearing becomes...

a)

stronger

b)

weaker

c)

superhuman

d)

potato

41.

ultrasound and SONAR work by bouncing sound off of objects to create a virtual image of what is unseen.

a)

true

b)

false

42.

which instrument has the highest frequency?

a)

piano

b)

violin

c)

sinewave

43.

Which of the following is represented by number 1 on the diagram?

a)

Iris

b)

Pupil

c)

Cornea

d)

Lens

44.

Which of the following correctly describes the pathway of light in the image

a)

Moving from air into glass

b)

Moving from glass into air

45.

What is the name of this type of lens?

a)

Concave

b)

Diverging

c)

Convex

46.

What is the name given to the process where white light spreads into its seven different colours after travelling through a prism?

a)

Reflection

b)

Diffraction

c)

Polarisation

d)

Dispersion

47.

Which region of the electromagnetic spectrum has the longest wavelength?

a)

Gamma

b)

X-ray

c)

Microwaves

d)

Radio

48.

All EM Radiation can travel in a vacuum.

a)

True

b)

False

49.

Toasters, grill and heaters use which region of the EM Spectrum?

a)

Gamma

b)

X-ray

c)

UV

d)

Infrared

50.

All sounds can travel in a vacuum.

a)

True

b)

False

51.

Which medium do sounds travel fastest in?

a)

Solids

b)

Liquids

c)

Gases

d)

Vacuum

52.

Sounds are produced by ...

a)

Electricity

b)

Water Waves

c)

Vibrations

d)

Explosions

53.

Which of the following is non-luminous?

a)

Candle

b)

Light bulb

c)

Sun

d)

Moon

54.

All light travels in straight lines.

a)

True

b)

False

55.
Velocity= ________
Wavelength= .5m
Frequency= 150 hertz
a)
.75 m/s
b)
75 m/s
c)
300 m/s
56.
Velocity= 600 m/s
Wavelength= 2.0m
Frequency= _________
a)
300 hertz
b)
.0033 hertz
c)
3000 hertz
57.
Velocity= 12 m/s
Wavelength= __________
Frequency= 600 hertz
a)
7200 m
b)
0.02 m
c)
612 m
58.

Which wave has a greater frequency?

a)

A

b)

B

59.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
60.
1.  A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
61.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3.4 Hz 
d)
34 Hz
62.

Which shows the EM spectrum in order from longest to shortest wavelength?

a)

Gamma, X-Ray, UV, Visible, IR, Microwaves, Radio

b)

Radio, Microwaves, IR, Visible, UV, X-Ray, Gamma

c)

Visible, UV, X-Ray, Gamma, Radio, Microwaves, IR

d)

Visible, Radio, Microwaves, IR, UV, X-Ray, Gamma

63.

The EM spectrum travels as what type of wave?

a)

Transverse

b)

Longitudinal

c)

Sound

d)

S-Waves

64.

Sound is an example of what type of wave?

a)

Transverse

b)

Longitudinal

65.

How are frequency and wavelength related?

a)

As frequency increases, wavelength gets shorter

b)

As frequency increases, wavelength gets longer

c)

As frequency increases, wavelength gets lower

d)

As frequency increases, wavelength gets higher

66.
1.  A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
67.
What is the speed of light?
a)
3.0x108 ms
b)
3.0x108 m/s
c)
6.626x10-34 Js
d)
6.626x10-34 J/s
68.

I have a type of visible light with a wavelength of 5.8X10-7. What color is it?

a)

Yellow

b)

Red

c)

Violet

d)

Blue

69.

What part of a wave is represented by letter F?

a)

Trough

b)

Crest

c)

Amplitude

d)

Wavelength

70.

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

a)

34 m/s

b)

34 hz

c)

3400 m/s

d)

3400 Hz

71.

A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

a)

5 m

b)

5 Hz

c)

125 m

d)

125 Hz

72.

A wave has a frequency of 14 Hz and a wavelength of 3 m. At what speed will this wave travel?

a)

42 m/s

b)

42 m

c)

4.67 m/s

d)

4.67 Hz

73.

A wave has a frequency of 540 Hz and is traveling at 340 m/s. What is its wavelength?

a)

1.59 m

b)

0.63 m

c)

183600 m

d)

91800 m

74.

Which of the following will change the speed of light as it travels?

a)

Air

b)

Water

c)

A tunnel

d)

Space

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