The intencity of Earthquakes is measured on

A. Beaufort scale

B. Secant scale

C. Mercalli scale

D. Richter scale

You can do it
  1. Which of the following elements is a metal
  2. Glass is made from the mixture of
  3. Which of the following elements is non-radioactive?
  4. The metallic constituents of hard water are
  5. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  6. Earth's seasons are caused by which of the following?
  7. Permanent hardness of water can be removed by adding
  8. Which of the following is the lightest metal ?
  9. Apparatus invented by Archimedes is :
  10. The oxide of Nitrogen used in medicine as anaesthetic is
  11. What is the unit for measuring the pitch or frequency of sound ?
  12. Epoxy resins is used as
  13. The location and energy of an electron in an atom can be specified by
  14. The Panda belongs to the same family as that of
  15. The formula of Plaster of Paris is
  16. The smallest functional and structural unit of kidney is called as
  17. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  18. One fathom is equal to
  19. Rust is
  20. The speed of light with the rise in the temperature of the medium
  21. Brass gets discoloured in air due to the presence of which gas in air
  22. The fastest acting enzyme in the biological kingdom is
  23. In an atomic nucleus, neutrons and protons are held together by
  24. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  25. The metal used in storage batteries
  26. The type of glass used in making prisms and lenses is
  27. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  28. The chemial name of Uria is
  29. The metal that is present in Photo Films is
  30. Lightening cause rainfall because