KERALA PSC / PHYSICS / SCIENTIFIC INSTRUMENTS AND THEIR USES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

 

KERALA PSC / PHYSICS / SCIENTIFIC INSTRUMENTS AND THEIR USES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

KERALA PSC / PHYSICS / SCIENTIFIC INSTRUMENTS AND THEIR USES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

Scientific Instruments and their uses

Actinometer

To measure the intensity of radiation

Altimeter

A special type of aneroid barometer used to measure altitude

Ammeter

To measure the strength of electric current

Barometer

To measure atmospheric pressure

Callipers

To measure the diameter of the wire, lube or rod

Calorimeter

To measure the amount of heat

Commutator

To change or reverse the direction of an electric current

Cryometer

To measure very low temperature

Galvanometer

To measure electric current

Hydrometer

To measure relative density of liquid

Hygrometer

To measure relative humidity of atmosphere

Manometer

To measure pressure of gas

Periscope

To observe object on the surface from the submarine

Pyrometer

To measure high temperature

Seismograph

An instrument used for recording the intensity and origin of earthquake

Thermostat

An automative device for regulating constant temperature

Voltmeter

An instrument to measure potential difference between two points

Sextant

To measure angular distance between two object

Telescope

An instrument for viewing distant objects are magnified

Transistor

A small device which may be used to amplify current

Stereoscope

An optical device to see two dimensional pictures

KERALA PSC / PHYSICS / SCIENTIFIC INSTRUMENTS AND THEIR USES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES