GENERAL KNOWLEDGE

GK

UNITS DEVICES DIMENSIONS AND MEASUREMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which instrument is used to determine heights?
A
Colorimeter
B
Commutator
C
Chronometer
D
Cathetometer
Explanation: 

Detailed explanation-1: -Answer. A cathetometer is a type of instrument mainly used for measuring vertical distances in cases where a scale cannot be placed at points close to each other.

Detailed explanation-2: -A cathetometer is an upright ruler equipped with a telescope that is designed to measure the vertical difference between two points with great accuracy. The form A cathetometer is an upright ruler equipped with a telescope that is designed to measure the vertical difference between two points with great accuracy.

Detailed explanation-3: -A telescope or microscope fitted with crosswires in the eyepiece and mounted so that it can slide along a graduated scale. Cathetometers are used for accurate measurement of lengths without mechanical contact. The microscope type is often called a travelling microscope.

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