The aneroid barometer uses

A. mercury

B. distilled water

C. alcohol

D. does not use any liquid

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Gamma radiations are used for
  2. The first Indian Satellite launched from a Russian Cosmodrome on April 16, 1975 was named
  3. The neutron, one of the constituent particles of which the nuclei of atoms are composed was discovered…
  4. Photoelectric cell is a device which converts
  5. Powder clings to the skin because of
  6. In a vacuum the following three articles are dropped at the same time and from the lame height. Which…
  7. A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside…
  8. A bolometer is used to measure
  9. In a refrigerator cooling is produced by
  10. A person cups his hand around the mouth when shouting. Why?
  11. In compact porous soil, the rising of the water is due to
  12. The pressure of air at high altitude is less than the atmospheric pressure at the sea level. Hence the…
  13. Heat transfer
  14. The frequency of an ultrasonic wave is
  15. The best estimates of the age of the earth comes from the studies of
  16. In a freezer ice cubes will be formed more quickly in trays made of
  17. Rays similar to X-rays but of smaller wave length that are given off by radioactive substances are
  18. Skating on ice is possible because
  19. Electromagnets are used in
  20. It is difficult to bon potatoes at the top or a mountain because
  21. A simple mercury barometer is found in a slightly slanting position. The atmospheric pressure
  22. Lightning conductors are made of
  23. Which force is used when milk is churned to separate cream?
  24. Some persons are not able to see distant objects clearly because the image of the object is focused…
  25. The cell that can be recharged, after it has run down, by passing a direct current through it from a…
  26. The escape velocity of a satellite projected from the surface of the earth is independent of
  27. To concentrate light on the defective teeth, the dentists use
  28. The temperature, surface features, length of days and nights of a planet depend on
  29. Red Light is used as a dancer signal because
  30. Out of the following which is an insulator?