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What is the unit for measuring the pitch or frequency of sound ?

A. Coulomb

B. Hum

C. Cycles

D. Decible

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  1. Quartz crystals normally used in quartz clocks etc. is chemically
  2. The speed of light with the rise in the temperature of the medium
  3. The oxide of Nitrogen used in medicine as anaesthetic is
  4. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  5. What is the unit for measuring the pitch or frequency of sound ?
  6. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  7. Permanent hardness of water can be removed by adding
  8. Which of the following characters is not shown by hydrogen
  9. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  10. Which of the following is in liquid form at room temperature ?
  11. Earth's seasons are caused by which of the following?
  12. The recent atomic weight scale is based on
  13. Which of the following is the lightest metal ?
  14. One fathom is equal to
  15. According to Daltons atomic theory the smallest particle which can exist independently is
  16. The location and energy of an electron in an atom can be specified by
  17. Brass gets discoloured in air due to the presence of which gas in air
  18. Which of the following elements is non-radioactive?
  19. Water has maximum density at
  20. The marine animal called dugong which is vulnerable to extinction is a/an
  21. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  22. The smallest functional and structural unit of kidney is called as
  23. Apparatus invented by Archimedes is :
  24. The removal of top soil by water or wind is called
  25. The metallic constituents of hard water are
  26. The major ingredient of leather is
  27. Liquefied Petroleum gas (LPG) consists of mainly
  28. The element present in the largest amount in rocks and minerals is
  29. When a gas is turned into a liquid, the process is called
  30. The fastest-running terrestrial animal is