LIST OF SCIENTIFIC INSTRUMENTS...

1.  An  instrument  used  in  aircrafts  for  measuring altitudes is called  -  Altimeter 

2.  An  instrument  used  to  measure  the  strength  of  an electric current is called  -  Ammeter 

3.  An  instrument  to  measure  the  speed,  direction  and pressure  of  the  wind  is called- Anemometer 

4.  An intrument  used  to  measure  difference  in  hearing  is called  -  Audiometer

5.  An  instrument  to  measure  atmospheric  pressure  and conditions is called  -  Barometer 

6.  An  intrument  used  to  measure  potential  difference between  two  points  is called  -    Voltmeter 

7.  An  optical  instrument  used  for  magnified  view  of distant objects is called-Binoculars

8.  An  instrument  used  to  measure  the  diameters  of  wire, tube  or  rod is called-Callipers 

9.  An  instrument  used  to  measure  quantities  of  Heat  is called  -   Calorimeter 

10.  An  apparatus  used  for  charging  air  with  petrol vapours  in  an  internal  combustion  engine  is  called  – Carburettor 

11.  An  instrument  used  for  measuring  the  temperature  of the  human  body  is called-Thermometer

12.  A  device  which  converts  mechanical  energy  into electrical  energy  is called-  Dynamo

13.  An  instrument  used  for  measuring  electrical  potential differences is called- Electrometer

14.  An  instrument  used  for  detecting  the  presence  of electric charge  is called-  Electroscope 

15.  An  instrument  used  for  measuring  Electric  Current  is called  -  Galvanometer 

16.  An  instrument  used  for  measuring  depth  of  the  ocean is called  -  Fathometer 

17.  An  instrument  used  for  relative  density  of  liquids  is called  -  Hydrometer 

18.  An  instrument  used  for  relative  density  of  milk  is called  -  Lactometer 

19.  An  instrument  used  for  magnified  view  of  very  small objects is called  -  Microscope 

20.  An  apparatus  used  in  submarines  for  viewing  objects lying  above  the  eye  level  of  the  observer  is  called  - Periscope

21.  An  instrument  used  for  comparing  the  luminous intensity  of  two  sources  of  light  is  Called  - Photometer 

22.  An  instrument  used  to  measure  high  temperature  is called  -  Pyrometer 

23.  An  instrument  used  to  measure  Rainfall  is  called  - Rain  Gauge 

24.  An  instrument  used  for  recording  the  intensity  and origin  of  earthquakes shocks  is called  –  Siesmograph   

25.  An  instrument  used  for  measuring  angular  distance between  two  objects is called    -  Sextant 

26.  An  instrument  used  for  measuring  speed  of  the vehicle  is called  -  Speedometer 

27.  An  apparatus  used  for  converting  high  voltage  to  low and vice-versa  is called-  Transformer 

28.  An  instrument  that  continuously  records  a barometer's  reading  of  atmospheric  pressure.  - Barograph 

29.  An  instrument  used  to  measure  infrared,  or  heat, radiation.  -  Bolometer 

30.  An  instrument  used  for  measuring  growth  in  plants.- Crescograph 

31.  An  instrument  used  for  tracing  movement  of  heart-Cardiograph 

32.  A  clock  that  keeps  very  accurate  time  and  determines longitude  of  a  vessel  at sea.  -  Chronometer 

33.  An  instrument  used  to  examine  internal  parts  of  the body. -  Endoscope 

34.  A  glass  tube  for  measuring  volumes  changes  in  the chemical  reactions  between  gases  -Eudiometer 

35.  A  machine  for  reproducing  recorded  sound.  - Gramophone 

36.  An  instrument  used  to  measure  the  moisture  content or  the  humidity  of  air  or  any  gas.  -  Hygrometer

37.  A  microphone  designed  to  be  used  underwater  for recording  or  listening  to  underwater  sound. Hydrophone 

38.  A  device  used  to  measure  atmospheric  pressure  - Manometer 

39.  A  device  which  converts  sound  waves  into  electrical signals.  -  Microphone 

40.  An  instrument  attached  to  the  wheel  of  a  vehicle,  to measure  the  distance traversed. -  Odometer 

41.  An  instrument  used  for  reproducing  sound.Phonograph 

42.  An  instrument  used  for  measuring  Solar  radiation  is called  -  Pyrheliometer

43.  An  instrument  used  for  taking  angular  measurements of  altitude  in  astronomy  and  navigation  is  called  - Quadrant 

44.  An  instrument  for  measuring  a  Refractive  Index  of  a substance is called  -  Refractometer 

45.  An  instrument  used  for  Spectrum  analysis  is  called- Spectroscope

46.  An  instrument  for  measuring  blood  pressure  is  called -  Sphygmomanometer 

47.  An  instrument  for  measuring  and  indicating temperature  is called  -  Thermometer 

48.  A  medical  instrument  used  for  hearing  and  analysing the  sound  of  Heart is called  -  Stethoscope 

49. An apparatus for recording the readings of an instrument and transmitting them by radio is called - Telemeter 

50. An instrument used for magnified view of distant objects is called-  Telescope 

51. A device that automatically regulates constant temperatures is called - Thermostat

52. An instrument used for measuring Viscosity is called - Viscometer

53. A small scale calibrated to indicate fractional divisions of the main scale is 

called- Vernier Scale 

54. An instrument for testing the refractive power of the eye is called - Optometer 

55. An instrument designed for visual examination of the eardrum is called -Otoscope 

56. A device that measures low temperature is called - Cryometer 

57. An instrument used in an aircraft indicating airspeed is called – Machmeter