Question

To form an image the ultrasound machine needs to calculate the distance between

the foetus and the probe.

The ultrasound waves move through the abdomen at a speed of 1540 m/s. What
measurement must the machine make so that it can calculate the distance?


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Answer 1

Answer:

ᴀʙᴅᴏᴍɪɴᴀʟ sᴄᴀɴs ᴍᴀʏ ᴜsᴇ ᴀ -ᴍʜᴢ ғʀᴇǫᴜᴇɴᴄʏ, ᴀɴᴅ ᴛʜᴇ sᴘᴇᴇᴅ ᴏғ sᴏᴜɴᴅ ɪɴ ᴛɪssᴜᴇ ɪs ᴀʙᴏᴜᴛ ᴍ/s—sᴏ ᴛʜᴇ ᴡᴀᴠᴇʟᴇɴɢᴛʜ ʟɪᴍɪᴛ ᴛᴏ ᴅᴇᴛᴀɪʟ ᴡᴏᴜʟᴅ ʙᴇ λ=ᴠᴡғ= ᴍ/s× ʜᴢ=. ᴍᴍ λ = ᴠ ᴡ ғ = ᴍ/s × ʜᴢ = . ᴍᴍ .

Explanation:

ᴘʟᴇᴀsᴇ ᴍᴀʀᴋ ᴀs ʙʀᴀɪɴʟɪᴇsᴛ