Question

Longitudinal waves are also
called
O Surface waves
Pressure waves
Compressional waves
Both B and C are correct
Which type of transducer can
be used to scan wide areas
when high sensitivity is not
required?
O Mosaic transducer
Single crystal transducer of small
diameter
O Composite transducer
PO Paint brush transducer​

Answer 1

Answer:

what is this question I cannot understand

Answer 2

Answer:

1. Option d
2. Option c

• I hope you got it