One nautical mile is equal to
- A1000 m
- B1853.18 mCorrect
- C2000 m
- D2012.2 m
Solution
Concept
Conversion of nautical miles to meters
Formula
NONE
Step-by-step solution
1. A nautical mile is a unit of length used in air, marine, and space navigation. 2. It is historically defined as one minute of arc along a meridian of the Earth. 3. Internationally, 1 nautical mile is standardized as equal to 1852 meters, or traditionally 1853.18 meters in British Admiralty standards. Answer: B
Explanation
A nautical mile is a standard unit of distance used in marine and air navigation based on one minute of arc along a meridian. Internationally, one nautical mile is standardized as 1852 meters, with standard surveying references traditionally noting 1853.18 meters. Among the choices provided, 1853.18 m is the accurate value.
Why the other options are wrong
A) 1000 m represents one kilometer. C) 2000 m represents two kilometers. D) 2012.2 m is an incorrect unit conversion for a nautical mile.
Shortcut
1 nautical mile = 1.852 km or ~1853.18 meters.
Common mistake
Confusing a nautical mile with a standard statute land mile or rounding off to 2000 meters.
Correct answer: B) 1853.18 m