land sea - raja elgady . igcse€¦ · radio sound water radio sound water light 20 a boy throws a...

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1 1 19 Which row shows an example of a transverse wave and an example of a longitudinal wave? transverse longitudinal A B C D light radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water and travel to the side of the pond. The boy notices that eight waves reach the side of the pond in a time of 5.0 s. What is the frequency of the waves? A 0.20 Hz B 0.63 Hz C 1.6 Hz D 40 Hz 19 A small boat in a harbour is protected from waves on the sea by harbour walls. small boat harbour land sea waves harbour walls Some waves can curve round the harbour walls and reach the boat. What is the name of this effect? A diffraction B dispersion C reflection D refraction

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Page 1: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

11

19 Which row shows an example of a transverse wave and an example of a longitudinal wave?

transverse longitudinal

A

B

C

D

light

radio

sound

water

radio

sound

water

light

20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the waterand travel to the side of the pond.

The boy notices that eight waves reach the side of the pond in a time of 5.0 s.

What is the frequency of the waves?

A 0.20 Hz B 0.63 Hz C 1.6 Hz D 40 Hz

19 A small boat in a harbour is protected from waves on the sea by harbour walls.

smallboat

harbour

land seawaves

harbourwalls

Some waves can curve round the harbour walls and reach the boat.

What is the name of this effect?

A diffraction

B dispersion

C reflection

D refraction

Page 2: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

2

© UCLES 2015

21 The table gives common uses for three types of electromagnetic wave.

Which row correctly identifies the waves?

satellite televisionterrestrial television

(not satellite)television remote

controllers

A

B

C

D

infra-red waves

microwaves

radio waves

radio waves

microwaves

radio waves

infra-red waves

microwaves

radio waves

infra-red waves

microwaves

infra-red waves

20 The diagram represents the electromagnetic spectrum.

Some regions have been labelled, and some labels are missing.

Which region should be labelled as infra-red waves?

radiowaves

A Bvisiblelight

C D γ-rays

18 What is the number of wavefronts per second that pass a fixed point?

A the amplitude of

the wave B the

frequency of the

wave C the speed

of the wave

D the wavelength ofthe wave

19 The diagrams represent water waves in a tank.

Which diagram represents a wave that changes speed?A

barrierB

barrierC

barrier

Page 3: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

3

© UCLES 2015

18 What is the number of wavefronts per second that pass a fixed point?

A the amplitude of the wave

B the frequency of the wave

C the speed of the wave

D the wavelength of the wave

19 The drawing shows a wave.

Which labelled distance is the wavelength?

AB

D

C

20 The drawing shows a wave.

Which labelled distance is the wavelength?

AB

D

C

21 Radio waves are received at a house at the bottom of a hill.

hill

The waves reach the house because the hill has caused them to be

A diffracted.

B radiated.

C reflected.

D refracted.

Page 4: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

4

© UCLES 2015

21 Which row correctly describes light waves and radio waves?

light waves radio waves

A

B

C

D

longitudinal

longitudinal

transverse

transverse

longitudinal

transverse

longitudinal

transverse

22 The diagram shows water waves passing through a gap in a harbour wall. The waves curveround the wall and reach a small boat in the harbour.

harbour wall

waves

harbour

gapboat

What is the name of this curving effect, and how can the gap be changed so that the wavesare less likely to reach the boat?

name of effect change to the gap

A

B

C

D

diffraction

diffraction

refraction

refraction

make the gap slightly bigger

make the gap slightly smaller

make the gap slightly bigger

make the gap slightly smaller

20 Waves in a tank pass from shallow to deep water.

The wavefront diagram is shown.

wavefront

shallowwater

deepwater

Which quantity increases as the waves enter the deep water?

A amplitude

Page 5: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

5

© UCLES 2015

B frequency

C wave energy

D wavelength

21 The diagrams represent water waves in a tank.

Which diagram represents waves that change speed?

shallower waterA C barrier deeper water

D barrierB

barrier

20 The diagram represents water waves about to move into shallow water from deep water.

wavefront

deep water

shallow water

Which property of the waves remains the same after the waves move into shallow water?

A frequency

B speed

C wavefront direction

D wavelength

Page 6: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

6

© UCLES 2015

21 Two sets of water waves overlap as shown in the diagram.

P

U Q

ST R

From which two points are the sets of waves coming?

A P and S B T and R C Q and T D U and Q

19 Water waves are reflected at a plane surface.

Which property of the waves is changed by the reflection?

A direction

B frequency

C speed

D wavelength

20 Plane water waves travel from a shallow region into a deeper region. They travel more quickly inthe deeper water.

shallow water

wave

direction

boundary

deep water

Page 7: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

7

© UCLES 2015

A 23

Which diagram shows the wave pattern in the deeper water?

A B

C D

20 The diagram shows a wave.

displacement

0distance

X Y

How many wavelengths are there between X and Y?

2 B 1 C 1 1 D 3

Page 8: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

8

© UCLES 2015

19 The diagrams show four sources of waves.

Which source generates longitudinal waves?

A B C D

stick pushed upand down in water

radiotransmitter

loudspeaker lamp

Page 9: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

9

20 In a ripple tank, water waves move towards a barrier with a narrow gap.

Water

Waves

barrier

Which diagram best shows the waves beyond the barrier?

A B

C D

Page 10: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

10

Which statement is correct?

A Heat loss by radiation is prevented by the small air gap.

B No heat passes through the sides of either cup.

C The bench is heated by convection from the bottom of the outer cup.

D The lid is used to reduce heat loss by convection.

20 Which is the best description of the speed of a water wave?

A the distance between one wave crest and the next

B the distance between the crest of a wave and a trough

C the distance that a particle of water moves up and down in one second

D the distance that a wavefront moves along the surface in one second

20 Which group contains only transverse waves?

A infra-red waves, light waves, sound waves

B infra-red waves, light waves, ultra-violet waves

C infra-red waves, ultra-violet waves, sound waves

D light waves, sound waves, ultra-violet waves

21 Water waves in a tank pass over a thin plastic block as shown.

plastic block

tank

What happens to the waves as they reach the plastic block?

A They are diffracted because they slow down.

B They are diffracted because they speed up. C

They are refracted because they slow down. D They

are refracted because they speed up.

Page 11: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

11

20 Which waves are longitudinal?

A B C D

88:88

light wavesfrom a lamp

microwavesin an oven

sound wavesfrom a trumpet

water waveson a pond

21 A navigation buoy floating on the sea oscillates up and down as a wave passes.

navigationbuoy

In exactly two minutes, six complete wavelengths pass the buoy.

What is the frequency of the waves?

A 0.050 Hz B 0.33 Hz C 3.0 Hz D 20 Hz

Page 12: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

12

19 The diagrams show water waves that move more slowly after passing into shallow water at thebroken line.

Which diagram shows what happens to the waves?A

fast slowB

fast slow

deepwater

shallowwater

deepwater

shallowwater

Cfast slow

Dfast slow

Page 13: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1313

20 The diagrams show examples of wave motion.

1 2

ripple tank

drum

waves on water waves in air

3 4

waves on a rope waves in a spring(as shown)

Which are longitudinal waves?

A 1 only

B 1, 2 and 4

C 2 and 3 only

D 2 and 4 only

23 A small boat in a harbour is protected from waves on the sea by harbour walls.

smallboat

harbour

land seawaves

harbour waiis

Page 14: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1414Ms Raja Elgadywww.rajaelgadyigcse.com

Some waves can curve round the harbour walls and reach

the boat. What is the name for this effect?

A diffraction B dispersion C reflection D refraction

21 Which row shows the natures of light waves, sound waves and X-rays?

light waves sound waves X-rays

A

B

C

D

longitudinal

longitudinal

transverse

transverse

longitudinal

transverse

longitudinal

transverse

transverse

longitudinal

transverse

longitudinal

22 Radio waves are received at a house at the bottom of a hill.

radiowaves

hill

The waves reach the house because thehill has caused them to be

A diffracted. B radiated. C reflected.D refracted

house

.

Page 15: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1515Ms Raja Elgadywww.rajaelgadyigcse.com

18 The diagram shows a side view of a water wave at a particular time. The diagram is drawn fullsize.

direction oftravel of wave

Which statement about the wave is correct?

A The wave is longitudinal and the frequency can be measured from the diagram.

B The wave is longitudinal and the wavelength can be measured from the diagram.

C The wave is transverse and the frequency can be measured from the diagram.

D The wave is transverse and the wavelength can be measured from the diagram.

19 The diagram shows a water wave approaching a barrier with a gap.

barrier

directionof travel

P

water wave

The wave reaches point P.

What is the name of the effect that causes the wave to reach point P?

A diffraction

B dispersion

C reflection

D refraction

Page 16: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1616Ms Raja Elgadywww.rajaelgadyigcse.com

23 Which row states whether light waves and whether sound waves can travel in a vacuum?

sound waves light waves

A

B

C

D

no

no

yes

yes

no

yes

no

yes

20 What is the unit of wavelength?

A hertz

B metre

C metre per second

D second

21 Which row correctly describes light waves and radio waves?

light waves radio waves

A

B

C

D

longitudinal

longitudinal

transverse

transverse

longitudinal

transverse

longitudinal

transverse

Page 17: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1717Ms Raja Elgadywww.rajaelgadyigcse.com

22 The diagram shows water waves passing through a gap in a harbour wall. The waves curveround the wall and reach a small boat in the harbour.

harbour wall

waves

harbour

gapboat

What is the name of this curving effect, and how can the gap be changed so that the waves areless likely to reach the boat?

name of effect change to the gap

A

B

C

D

diffraction

diffraction

refraction

refraction

make the gap slightly bigger

make the gap slightly smaller

make the gap slightly bigger

make the gap slightly smaller

19 Which of these waves is longitudinal?

A infra-red

B radio

C sound

D water

20 Radio waves are received at a house at the bottom of a hill.

radiowaves

hill house

Page 18: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1818Ms Raja Elgadywww.rajaelgadyigcse.com

The waves reach the house because the hill has caused them to be

A diffracted.

B radiated.

C reflected.

D refracted.

18 The diagram shows a side view of a water wave at a particular time. The diagram is drawn fullsize.

direction oftravel of wave

Which statement about the wave is correct?

A The wave is longitudinal and the frequency can be measured from the diagram.

B The wave is longitudinal and the wavelength can be measured from the diagram.

C The wave is transverse and the frequency can be measured from the diagram.

D The wave is transverse and the wavelength can be measured from the diagram.

19 The diagram shows a water wave approaching a barrier with a gap.

barrier

directionof travel

P

water wave

The wave reaches point P.

What is the name of the effect that causes the wave to reach point P?

A diffraction

B dispersion

C reflection

D refraction

Page 19: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

1919Ms Raja Elgadywww.rajaelgadyigcse.com

23 Which row states whether light waves and whether sound waves can travel in a vacuum?

sound waves light waves

A

B

C

D

no

no

yes

yes

no

yes

no

yes

20 What is the unit of wavelength?

A hertz

B metre

C metre per second

D second

21 Which row correctly describes light waves and radio waves?

light waves radio waves

A

B

C

D

longitudinal

longitudinal

transverse

transverse

longitudinal

transverse

longitudinal

transverse

Page 20: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

2020Ms Raja Elgadywww.rajaelgadyigcse.com

22 The diagram shows water waves passing through a gap in a harbour wall. The waves curveround the wall and reach a small boat in the harbour.

harbour wall

waves

harbour

gapboat

What is the name of this curving effect, and how can the gap be changed so that the waves areless likely to reach the boat?

name of effect change to the gap

A

B

C

D

diffraction

diffraction

refraction

refraction

make the gap slightly bigger

make the gap slightly smaller

make the gap slightly bigger

make the gap slightly smaller

19 Which of these waves is longitudinal?

A infra-red

B radio

C sound

D water

20 Radio waves are received at a house at the bottom of a hill.

radiowaves

hill house

The waves reach the house because the hill has caused them to be

A diffracted

B radiated

C eflected.

D refracted.

Page 21: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

2121Ms Raja Elgadywww.rajaelgadyigcse.com

19 Water waves can be used to show reflection, refraction and diffraction.

For each of these, which row shows whether or not the speed of the water waves changes?

reflection refraction diffraction

A

B

C

D

no

no

yes

yes

no

yes

no

yes

yes

no

no

yes

20 A vertical stick is dipped up and down in water at P.

In two seconds, three wave crests are produced on the surface of the water.

Y

wave Pcrests

X

Which statement is correct?

A Distance X is the amplitude of the waves.

B Distance Y is the wavelength of the waves.

C Each circle represents a wavefront.

D The frequency of the waves is 3 Hz.

19 Visible light and γ-rays are both waves.

How may they correctly be described?

visible light γ-rays

A

B

C

D

longitudinal

longitudinal

transverse

transverse

longitudinal

transverse

longitudinal

transverse

Page 22: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

© UCLES 2015

22

13

20 The diagram represents a wave.

displacement

distance

X Y

How many wavelengths are there between X and Y?

A 2 BC 3

1 1 D2

21 Different parts of the electromagnetic spectrum are used for different purposes. Below are fourstatements about parts of the spectrum.

statement 1: Infra-red waves are used in television remote controllers.

statement 2: Radio waves are used to transmit television pictures from satellites to Earth.

statement 3: Ultra-violet waves are used for intruder alarms.

statement 4: X-rays are used for security checks.

Which statements are correct?

A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

Page 23: land sea - RAJA ELGADY . IGCSE€¦ · radio sound water radio sound water light 20 A boy throws a small stone into a pond. Waves spread out from where the stone hits the water

22