Question
What is the width of the sound beam at the focus?
Choose only ONE best answer.
A
Equal to the diameter of the crystal
B
Twice the crystal diameter
C
Half the crystal diameter
Choose only ONE best answer.
A
Equal to the diameter of the crystal
B
Twice the crystal diameter
C
Half the crystal diameter
Answers
GPT 3.5
C
Half the crystal diameter
Half the crystal diameter