What is meant by geopotential height interval?
(a) It is the pressure height interval measured by the pitot-static tube
(b) It is the pressure height interval measured by the altimeter
(c) It is the temperature height interval measured by the pitot-static tube
(d) It is the temperature height interval measured by the altimeter
The question was asked by my school principal while I was bunking the class.
This is a very interesting question from Measurement of Height topic in chapter Atmosphere and Air Data Measurement of Aircraft Performance