ultrasound

?
what is the minimum frequency of an ultrasound wave?
20hz
1 of 6
what is the maximum frequency for ultrasound???
20,000 hz
2 of 6
why is ultrasound safer than an x-ray?
because it is non ionising
3 of 6
when is a sound classed as ultrasound?
when it is above 20,000 hz
4 of 6
what is ultrasound best at scanning?
soft tissues
5 of 6
what are x-rays good for scanning?
they are good for scanning hard tissues such as bones and teeth
6 of 6

Other cards in this set

Card 2

Front

what is the maximum frequency for ultrasound???

Back

20,000 hz

Card 3

Front

why is ultrasound safer than an x-ray?

Back

Preview of the front of card 3

Card 4

Front

when is a sound classed as ultrasound?

Back

Preview of the front of card 4

Card 5

Front

what is ultrasound best at scanning?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Waves and Sound resources »