Question

Q.6.
Who am I; if I am useful for
• Communication between ships
To detect cracks in metallic bells
• To destroy microbes from milk
. For welding plastic material.
(1) Heat
(2) Ultrasound
(3) SONAR
(4) Reverberration​

Answer 1

Answer:

Who am I;

if I am useful for

• Communication between ships

To detect cracks in metallic bells

• To destroy microbes from milk

. For welding plastic material.

(1) Heat

(2) Ultrasound

(3) SONAR✔✔✔

(4) Reverberration