physics topic 6-waves

Question 1

what can’t s-waves travel through?

Answer 1

can not travel through liquids or gases

Question 2

what can p-waves not travel through?

Answer 2

solids and liquids

Question 3

do p waves or s waves travel faster?

Answer 3

p waves

Question 4

what type of waves are s waves?

Answer 4

transverse

Question 5

what type of waves are p waves?

Answer 5

longitudinal

Question 6

how do ultrasound waves produce an image?

Answer 6

ultrasound waves can pass through the body, but whenever they reach a boundary between two different media some of the wave is reflected back and detected

Question 7

what are some uses of ultrasound waves?

Answer 7

-pre-natal scan of a foetus
-detect tumours
-animal communication
-kidney stones
-detecting cracks in machinery

Question 8

what type of wave has the highest wave length?

Answer 8

radio waves

Question 9

how are gamma rays used in medicine?

Answer 9

a gamma-emitting source is injected into the patient, and its progress is followed around the body

Question 10

how do x-rays produce an image?

Answer 10

x-rays pass easily through flesh but not easily through bones or metal. its the amount of radiation absorbed that gives you an image

Question 11

what type of wave has the highest frequency?

Answer 11

gamma rays