Scientific Instruments Notes For SSC CGL 2017 Exam


Dear Students, As SSC CGL Tier-I 2017 is going to be conducted in the month of June/July. For GA Part will are providing all types of topics and notes. Today, in this post we are providing to you study Notes on “Scientific Instruments” for SSC CGL Exam. Sometimes questions are asked from this topic as well, So memorize all these names and score better in the exam.
Scientific Instruments



Name of instrument
Function
Ammeter
Used for measuring strength of electric current  
Barometer
Used for measuring atmospheric pressure
Calorimeter
Used for measuring quantities of heat
Cardiograph (ECG)
Used for measuring movements of the heart ; recorded on a cardiograph
Dynamo
Converts mechanical energy into electrical energy
Electroencephalograph (EEG)
Records and interprets the  waves of the brain
Electrometer
Used for measuring very small electrical potential difference
Endoscope
Examines internal organs of the body and can be used for minor surgical procedures
Fathometer
Used for measuring depth of the ocean
Galvanometer
Used for measuring small electrical current
Hydrometer
Used for measuring the relative density of liquids
Hygrometer
Used of measuring the relative humidity in the atmosphere
Kymograph
Graphically records physiological movements (e.g. blood pressure/heartbeat)
Lactometer
Used for measuring the relative density of milk to determine the purity (fat content)
Manometer
Used for measuring the pressure of gases
Micrometer
Measures small distance
Microscope
Used for obtaining a magnified view of small objects
Periscope
Used of viewing objects above sea level (used in submarines)
Polygraph
Used for recording changes, simultaneously in physiological processes such as heart beat, blood pressure and respiration also used as a lie detector
Pyrometer
Used for measuring very high temperature







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