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Flashcards in Waves Deck (14):
1

What unit is frequency measured in?

Hertz

2

Which type of waves has oscillations perpendicular to the direct of motion?

Transverse

3

What is the time for one full oscillation called?

Period

4

In a longitudinal wave, what is the area in which the medium is spread apart?

Rarefaction

5

Which type of wave has oscillations parallel to the direction of motion?

Longitudinal

6

What does a wave transfer?

Energy only

7

The number of wavelengths that pass a point each per second is?

Frequency

8

How would a person measure the wavelength on this sound wave?

Compression to compression

9

What types of waves carry energy at a right angle or perpendicular to the direction of the energy flow?

Transverse waves

10

What is the time between one wave and the next?

Period

11

The number of waves passing a point per second is the ?

Oscillation

12

When the frequency of a wave increases, what happens to the wavelength?

The wavelength decreases

13

Advantages of X-rays

- Looking at bones in detail

- Non-invasive (no surgery)

14

Disadvantages of X-rays

-Ionising (damages cells)

-Does not show soft tissue