Select the option that can be used as a one-word substitute for the given group of words.
Instrument that measures the altitude of the land surface
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1. i.e. Altimeter.
The meanings of the given words are:
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Altimeter: An instrument used to measure the altitude or height above sea level, typically used in aviation or mountaineering.
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Barometer: An instrument used to measure atmospheric pressure, used to forecast changes in weather conditions.
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Thermometer: An instrument used to measure temperature, indicating the degree of hotness or coldness.
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Chronometer: A highly accurate timekeeping device or watch used for precise time measurements, especially at sea or in scientific applications.
Thus, the most appropriate one word substitution for the given words are altimeter.