An Echo Sounder Operates by Measuring the Time Required for A___________

question 86

Multiple Choice

An echo sounder operates by measuring the time required for a___________ .

• A) light beam to travel from a satellite at a known altitude to the sea bottom and back
• B) sound pulse to travel from a ship or survey towfish to the seafloor and back
• C) radar beam to travel from a ship to the seafloor and back
• D) radar beam to travel from a harbour patrol boat to a fuzz- buster on a speeding yacht

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Definitions:

Alkali Metals

A group of elements in group 1 of the periodic table, characterized by their highly reactive properties and a single electron in their outermost shell.

Electron

A subatomic particle with a negative electrical charge that orbits the nucleus of an atom.

Ionic Bond

A chemical bond formed through the electrical force between oppositely charged ions.

Lewis Theory

A theory in chemistry that explains chemical bonding by electron pair sharing and transfer between atoms, aiming for a stable octet arrangement.