Most Important Scientific Instruments for SSC exams and railways exam


In this post, we have discussed some important topics that usually come on exams

  1. It measures force and velocity of wind
  2. It measures intensity of sound.
  3. It is used for improving imperfect sense of hearing.
  4. It is uused for continuous recording of atmospheric pressure
  5. It measures atmospheric pressure
  6. It measures quantity of heat
  7. Carburetor  – It is used in an internal combustion engine for charging air with petrol.
  8. Cardiogram   –  It traces movements of the heat, recorded on a cardiograph.
  9. Chronometer- It determines longitude of a place kept onboard ship.
  10. Cinematography -It is an instrument used in cinema making to throw on a screen and enlarged image of photograph
  11. Dynamo- It converts mechanical energy into electrical energy.
  12. Dynamometer -It measures electrical power.
  13. Electrometer -It measures electricity.
  14. Electroscope -It detects presence of electric charge.
  15. Endoscope- It examines internal part of body.
  16. Fathometer -It measures the depth of ocean.
  17. Galvanometer- It measures the electric current of low magnitude.
  18. Hydrometer- It measures the specific gravity of liquid.
  19. Hygrometer -It measures humidity in air.
  20. Hydrophone- It measures sound under water.
  21. Kymograph -It graphically records physiological movements (heart beats)
  22. Lactometer – It determines the purity of milk.
  23. Microphone -It converts the sound waves into electrical vibrations and to magnify the sound
  24. Phonograph an instrument for producing sound
  25. Periscope- It is used to view objects above sea level
  26. Pyrometer- It measures very high temperature.
  27. Speedometer- It is an instrument placed in a vehicle to record its speed.
  28. Stereoscope- It is used to view two dimensional pictures.
  29. Voltmeter -It measures the electric potential difference between two points.
  30. Thermometer -It measures temperature.
  31. Telescope -It measures Distant objects in space.

About the author


Leave a Comment