Physical Quantity

Pressure: Barometer

2.

Voltage: Voltmeter

3. Purity Of

Milk: Lactometer

4.

Temperature: Ther

mometer

5. Velocity Of

Wind: Anemometer

6.

Earthquake: Richter

Scale

7. Degree Of

Humidity: Hygromet

er

8. Blood

Pressure: Sphygmo

manometer

9.

Radioactivity: Geige

r Counter

10. High

Temperature: Pyro

meter

11. Rainfall: Rain

Guage

12. Earthquake

Recording: Seismog

raph

13. Electric

current: Ammeter

14.

Altitude: Altimeter

15. Velocity And

Direction Of

Wind: Anemometer

16. Sensitivity Of

Skin: Algeismeter

17. Atmospheric

Pressure: Aneriodog

raph/Barometer

18. Improvement Of

Hearing

Power: Audiometer

19. Quantity Of

Heat: Calorimeter

20. Intensities Of

Colours: Colorimete

r

21. Longitude Of

Vessel Over

Sea: Chronometer

22. Detection Of

Electric

Charge: Electroscop

e

23. Voltage

Difference: Electro

meter

24. Depth Of The

Ocean: Fathometer

25. Small Electric

Current: Galvanome

ter

26. Relative Density

of

Liquids: Hydrometer

27. Change In

Atmospheric

Humidity: Hygrosco

pe

28. Detection And

Measurement Of

Light: Photoelectric

Cell

29. Salinity Of

Water: Salinometer

30. Spectrum

Analysis: Spectrosc

ope

31. Hearing Of

Heartbeat And Lung

Sound: Stethoscope

32. Maintenance Of

A Constant

Temperature: Ther

mostat

33. Amplification Of

Current: Transistor

34. Measurement

OF Potential

Difference Between

Two

Points: Voltammete

r

35. Flow Of

Air: Aerometer

36. Radiant

Energy: Radiometer

37. Conversion Of

Rays Into

Mechanical

energy: Radiograph

38. Measurement Of

Intensity Of

Light: Lucimeter

39.

Radioactivity: Geige

r Counter