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Introduction to Waves OALH

Last updated over 5 years ago

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Do Now

Question 1

1.

1.What happens when a current flows in a conducting wire? (1)

Question 2

2.

Question 3

3.

Question 4

4.

4. Describe how you make a test fair. (1)

Question 5

5.

Question 6

6.

How can we increase the strength of an electromagnet? (3)

Checking for Understanding Pause Point

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Key Knowledge - LCWC

Question 13

13.

The undisturbed position of particles or fields when they are not vibrating is …

Question 14

14.

Define peak

Question 15

15.

Define trough

Question 16

16.

The maximum displacement of a point of a wave from its rest position is …

Question 17

17.

The distance covered by a full cycle of the wave, usually measured from peak to peak, or trough to trough is …

Question 18

18.

The time taken for a full cycle of the wave, usually measured from peak to peak, or trough to trough is …

Question 19

19.

The number of waves passing a point each second is …

Question 20

20.

Describe longitudinal waves

Question 21

21.

Describe transverse waves

Question 22

22.

The undisturbed position of particles or fields when they are not vibrating is …

Question 23

23.

Define peak

Question 24

24.

Define trough

Question 25

25.

The maximum displacement of a point of a wave from its rest position is …

Question 26

26.

The distance covered by a full cycle of the wave, usually measured from peak to peak, or trough to trough is …

Question 27

27.

The time taken for a full cycle of the wave, usually measured from peak to peak, or trough to trough is …

Question 28

28.

The number of waves passing a point each second is …

Question 29

29.

Describe longitudinal waves

Question 30

30.

Describe transverse waves

Recall Quiz

Question 31

31.

Question 32

32.

Question 33

33.

Question 34

34.

Question 35

35.

We Do

Question 36

36.

Question 37

37.

Question 38

38.

Question 39

39.

Question 40

40.

Question 41

41.

Question 42

42.

Question 43

43.

We Do

Question 44

44.

Waves may be longitudinal or transverse. Describe the differences between longitudinal waves and transverse waves.
(Just write the missing words in the correct order. )

You Do

Question 45

45.

Question 46

46.

Plenary

Question 47

47.

Question 48

48.

Question 49

49.

Question 50

50.

Question 51

51.

2. What is a solenoid? (1)

A wire looped into coils

A wire looped into coils with an iron core within it

3. What does the right hand grip rule shows us for a wire? (1)

Thumb = current, Fingers = magnetic field

Fingers = current, Thumb = magnetic field

5. Convert 35cm to metres. (1)

35m

0.35 m

3500m

0.035m

Name Label A

Frequency

Trough

Wavelength

Amplitude

Name Label bB

Frequency

Trough

Wavelength

Amplitude

The definition of a longitudinal wave is:

1. the direction of oscillation is parallel to the direction of energy transfer.

2. the direction of oscillation is perpendicular to the direction of energy transfer.

The definition of a transverse wave is:

1. the direction of oscillation is parallel to the direction of energy transfer.

2. the direction of oscillation is perpendicular to the direction of energy transfer.

Name label A on this longitudinal wave:

Wavelength

Compression

Amplitude

Rarefaction

Name label B on this longitudinal wave:

Wavelength

Compression

Amplitude

Rarefaction

1.Which of the following is true when frequency of a wave increases?

A.Amplitude increases

B.Wavelength increases

C.Period decreases

2. Which of the following is transferred by a wave?

Energy

Matter

Particles

Molecules

3.The slinky in the diagram on the ppt is demonstrating which of the following:

A.Longitudinal waves

B.Transverse waves

C.S-waves

D.Rayleigh waves

4. Which is defined as the undisturbed position of particles or fields when they are not vibrating ?

Peak

Trough

Rest Position

Wavelength

5. What moves forward with a water wave?

A. Just water moves forward

B. Just the ‘shape’ of the wave moves forward

C. The ‘shape’ of the wave and water both move forward

D. A force pushing the water moves forward.

What is label A on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label B on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label C on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label D on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label E on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label F on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label G on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

What is label H on the diagram?

Amplitude

Peak

Trough

Resting Point

Wavelength

Rarefaction

Compression

Which three diagrams show traces with the same amplitude?

A

B

C

D

E

Which two diagrams show traces with the same frequency?

A

B

C

D

E

1.The frequency tells us the distance between one point on a wave and the same point on the next wave

True

False

2. The amplitude tells us the displacement of the wave from its resting position

True

False

3. The period is the time taken to complete one wavelength

True

False

4. Waves transfer matter and energy.

True

False

5. Light waves are transverse waves.

True

False