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Important Definitions for Physics




Important Definitions for terms in  Physics 


  1. Ammeter : Measures strength of electric current.

  2. Audiometer : Measures intensity of sound.

  3. Anemometer  : Measures force and velocity of wind and directions.

  4. Barograph : Records atmospheric pressure.

  5. Bolometer : Measures heat radiation.

  6. Callipers : Measures inner and outer diameters of bodies.

  7. Endoscope : Examines internal parts of the body.

  8. Fluxmeter  : Measures magnetic flux.

  9. Galvanometer : Measures electric current.

  10. Pykometer : Determines the density and coefficient of expansion of liquids.

  11. Polygraph : Record changes in heartbeat, blood-pressure and respiration.

  12. Photometer : Compare luminous intensity of the source of light.

  13. Spectroscope : Record spectra.

  14. Spectrometer : Measures the position of spectral lines.

  15. Thermostat : Regulates the temperature at a particular point.

  16. Tonometer : Measures the pitch of a sound,

  17. Transponder : Receives a signal and transmit a reply immediately.

  18. Voltmeter : Measure electric potential difference between two points,

  19. Viscometer : Measure viscosity of liquid.

  20. Wavemeter : Measure the wavelength of a radiowave.



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